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Community Service in English means community service, which is an activity of helping the community in the form of several activities without expecting any form of reward. Community service is one of the pillars of the Tri Dharma of Higher Education, namely: education, research and community service. Universities not only carry out education for their students, but also carry out research and develop innovation, as well as preserve and develop superior knowledge that is beneficial to society. Data collection on marriages that have not been registered is a problem that is often faced in managing population data in many sub-districts. This article discusses the proposed solution through the development of the Kalimasada application to improve the quality of population data in Kedungdoro Village. The service method used involves the process of data collection, needs analysis, application development, and user training. The approach used is the use of mobile application-based information technology to facilitate the process of collecting data on unregistered marriages. The Kalimasada application is designed with an intuitive and easy-to-use interface, allowing sub-district officials to quickly record data on unregistered marriages. In addition, this application is equipped with an automatic data validation feature to reduce input errors and increase data accuracy. During the service process, training was conducted for the community about the importance of reporting unregistered marriages to subdistrict officers via the Kalimasada application. The results of implementing the Kalimasada application show a significant increase in data collection on unregistered marriages in Kedungdoro Village. With this application, the data collection process becomes more efficient and accurate, producing more valid and reliable data. Apart from that, public participation in reporting unregistered marriages has also increased, so that the data collected becomes more complete. In conclusion, developing the Kalimasada application is an effective solution for improving the quality of population data in Kedungdoro Village. The use of information technology in public administration can help speed up the data collection process and increase data accuracy. The next step is to expand the implementation of this application to other sub-districts and continue to carry out monitoring and evaluation to ensure its sustainability and effectiveness in the long term.

The mobile device has been supported by the operating system that makes the phone has the potential to be a learning tool. The Android operating system is the mobile platform of high potential in education, plus it is open source, it can support independent learning. Availability of facilities and applications that can be installed offline, allowing an independent learning process starts from the students themselves. The purpose of this research is to find a practical model that can be applied in learning. Make mobile learning a practical model that can be used teachers, students and schools take advantage of the resources that already exist. The research method uses research and development, to mobile learning models that later developed into a model factual. Results The study concluded that: Android mobile application that is filled with interesting teaching materials can continue to invite progress within teacher as creator and students as users. Availability of Internet applications, making new teaching participants, can catch up with learning by opening apps without worry about the royalty claims. Android mobile application that supports online messaging greatly help communication between members. Results of the study are: a practical mobile learning model consists of four aspects, namely: Four Key Roles, Learning Tasks Accommodation, Interactive Content and the Modular Learning Outcomes.

This study explores the potential of mobile educational applications to enhance student-centered inquiry-based learning (IBL) in secondary school classrooms. As traditional, teacher-centered pedagogies fail to adequately engage students in critical thinking and problem-solving, IBL offers a promising alternative that encourages active participation and deeper learning. The research investigates how mobile applications can support IBL by facilitating the inquiry process, such as data collection, hypothesis formulation, and collaboration. Through a quasi-experimental design involving secondary school students, the study compares the effectiveness of traditional teaching methods and mobile-assisted IBL. Results indicate that students using mobile applications showed significant improvements in critical thinking, engagement, and academic performance compared to those taught through traditional methods. Teachers and students both reported high satisfaction with mobile apps, particularly in terms of ease of use and educational value. The findings suggest that integrating mobile technologies into the classroom can create more interactive, accessible, and personalized learning experiences, fostering critical thinking and enhancing student outcomes. However, challenges related to infrastructure, teacher training, and digital literacy must be addressed to fully harness the potential of mobile-assisted inquiry-based learning.

The rapid development of e-commerce in Indonesia has prompted attention to factors that can maintain business sustainability, especially in terms of customer loyalty. The literature study identified several determining factors, including service quality, customer satisfaction, and brand trust. This research was conducted with the aim of examining the impact of service quality, customer satisfaction, and customer trust on customer loyalty in the Shopee mobile application in Jabodetabek. Using a purposive sampling method, the survey was carried out by distributing questionnaires directly to 120 customers. The results of regression analysis using SPSS refer to a statistical research process where data about the relationship between one or more independent variables (predictors) and one dependent variable (result) is analyzed. SPSS is used as a tool to analyze data and produce regression results. Thus, this research provides important implications that e- commerce mobile applications need to ensure service quality, satisfaction and customer trust to maintain and increase customer loyalty, as well as compete effectively in the online market.    

In the evolving landscape of agricultural technology, recognizing rice diseases through computational models is a critical challenge, predominantly addressed through Convolutional Neural Networks (CNN). However, the localized feature extraction of CNNs often falls short in complex scenarios, necessitating a shift towards models capable of global contextual understanding. Enter the Vision Transformer (ViT), a paradigm-shifting deep learning model that leverages a self-attention mechanism to transcend the limitations of CNNs by capturing image features in a comprehensive global context. This research embarks on an ambitious journey to refine and adapt the ViT Base(B) transfer learning model for the nuanced task of rice disease recognition. Through meticulous reconfiguration, layer augmentation, and hyperparameter tuning, the study tests the model's prowess across both balanced and imbalanced datasets, revealing its remarkable ability to outperform traditional CNN models, including VGG, MobileNet, and EfficientNet. The proposed ViT model not only achieved superior recall (0.9792), precision (0.9815), specificity (0.9938), f1-score (0.9791), and accuracy (0.9792) on challenging datasets but also established a new benchmark in rice disease recognition, underscoring its potential as a transformative tool in the agricultural domain. This work not only showcases the ViT model's superior performance and stability across diverse tasks and datasets but also illuminates its potential to revolutionize rice disease recognition, setting the stage for future explorations in agricultural AI applications.

This research aims to determine the influence of performance expectancy, effort expectancy, social influence, facilitating conditions on the use of Bank BSI KCP Kampung Tax Labuhan Batu Utara customers in using digital banking services. (BSI mobile deposits). This type of research is quantitative. The data used in this research is primary data obtained through questionnaires with variable instruments using a Likert scale which were distributed to respondents totaling approximately 100 people. The data analysis technique used is a data analysis test consisting of validity test, reliability test, classical assumption test consisting of normality test, multicollinearity test and heteroscedasticity test, and also using multiple linear analysis, which consists of F test, T test, and test the coefficient of determination (R²) using the SPSS version 22 data processing application. The results of this study show that performance expectancy has no effect, effort expectancy has a significant positive effect, social influence has a significant positive effect, and condition Facilitating conditions do not have a positive effect on Bank BSI KCP Kampung Tax Labuhan Batu Utara customers in using digital banking services (BSI Mobile Deposits).    

The diversity in societal exercise preferences has increased significantly, with fitness emerging as a favored modern activity, particularly in urban areas of Indonesia. Fitness is valued for its effectiveness in restoring body fitness and achieving ideal body shapes swiftly. However, in the era of Industry 4.0, technological advancements have revolutionized the approach to fitness. Smartphone fitness applications have replaced the role of personal trainers by providing tailored exercise and dietary programs. User Interface (UI) plays a pivotal role in fitness applications, influencing User Experience (UX). The challenge lies in designing UI to accommodate user heterogeneity, both internally and externally. Adaptive UI emerges as a solution, capable of altering layout and content according to user characteristics. Kernwerk® Functional Fitness exemplifies a fitness application utilizing AI to optimize fitness routines. To enhance Kernwerk's UI adaptability, UX evaluation is conducted using UEQ+ modular extension, a comprehensive instrument for effectively and efficiently measuring user experience. Through this evaluation, components of UI and UX requiring further development to enhance Kernwerk's adaptability can be identified.

Bookkeeping administration is an important aspect in waste bank activities because it has the benefit of recording and carrying out complete and detailed reporting within a certain time period, so that there are no differences in calculations between customers and the Waste Bank management. The importance of bookkeeping administration in managing the Waste Bank (recording the entry and exit of each type of waste managed by the Waste Bank), can help optimize waste management and increase the effectiveness of waste management. Simple bookkeeping (in the form of Socialization) was introduced in the transaction cycle at the Bank Sampah "Sami Berkah", Kelurahan Meteseh, Kecamatan Tembalang, Semarang (making a Chart of Account, Journal from proof of transactions, posting to the ledger and subsidiary books, up to making Financial Reports). The administrative management of the Bank Sampah Sami Berkah has met the minimum requirements of the Dinas Lingkungan Hidup, starting from books, officers, waste reception schedules, until the waste deposited has been sorted by customers/members. Likewise, the duties and responsibilities of waste bank management officers are in accordance with the job and description of the organizational structure. The proposed use of the information system at the "Sami Berkah" Waste Bank is the use of an Android-based application or web system (mobile web access) in order to accommodate the need for faster and easier information access for customers/Members and Waste Bank managers, as well as being able to overcome the Bank's operational problems. Waste starts from customer registration, savings transaction processes to reporting, efficiently and with integrity. and easy to manage by admins and monitored by users directly.

The development of technology has affected the world of education in the content of the material and the learning process. At SMP Negeri 1 Besuki, it is known that technology-based learning media has never been developed during learning. The learning media that runs at SMP Negeri 1 Besuki is considered boring for students. This learning media is expected to help students to understand learning independently and improve the ability to understand informatics subjects.This research uses the ADDIE development model which consists of five stages, namely: analysis, design, development, implementation and evaluation. The ADDIE model provides an opportunity to evaluate development activities at each stage, this has a positive impact on the quality of development products. Based on the results of the feasibility test from the media expert of 83.63%, the results of the feasibility test on the material test amounted to 84.44% and student respondents amounted to 82%. If calculated the average is 83, 35%. Based on the criteria guidelines above this product is declared "Very Feasible". Mobile-based learning media using Construtc 3 in informatics subjects at SMP Negeri 1 Besuki can be utilized properly, introducing this learning media to teachers and other students. To Mr. / Mrs. Teacher in order to use and utilize mobile-based learning media using Construtc 3.

Muhammadiyah Vocational High School (SMK) 3 Pekanbaru city is an educational institution under the Muhammadiyah Business Charity (AUM) which equips its students with vocational training and Al-Islam Kemuhammadiyahan values. The problems faced are 1) Services to students are not yet supported by adequate facilities 2) Schools have limited internet access for students. Of the several problems that exist at the school, service is prioritized on the problem of limited computer facilities. The solution offered to schools to overcome some of these problems is to use the WPS office application as a learning alternative. This shows that WPS Office is effectively used as alternative learning for students at SMK Muhammadiyah 3 Pekanbaru

The JMO application is a digital-based social security service system in the form of mobile apps. In its application, the JMO application still has many problems, one of which is when logging into the JMO application, you still have to wait a few moments to enter the menu display, in the data updating feature, especially at the stages of biometric verification and system development, but it does not provide significant changes in terms of both features and application view. The research aims to see the application of the Jamsostek Mobile (JMO) application system to BPJS Ketenagakerjaan at the Bogor Cileungsi branch office. the research method used is qualitative with a descriptive approach. Data collection techniques used are observation interviews and documentation. Research using the theory of DeLone & McLean.

Media for learning is a crucial part in the world of education. Well-crafted media is likely to influence classroom teaching and, ideally, improve student performance. This article discusses education on using Kahoot! as an interactive learning media to increase students' motivation and understanding in learning English. The method used is by providing socialization and increasing students' abilities in using social network-based learning media with the web and mobile-based Kahoot application which will be delivered face-to-face or offline. By holding this socialization, it is hoped that students will be able to use the application well and can take advantage of the Kahoot! as an interesting medium for learning English. The results achieved in this socialization were that students agreed that the Kahoot! can help make the atmosphere more fun and less boring.

The development of digital technology has brought significant changes in philanthropy practices, one of which is through the implementation of online fundraising (crowdfunding). This study aims to analyze the effectiveness of implementing fundraising features in the Dompet Dhuafa application as one of the institution's efforts to utilize technological advancements to support philanthropic activities. Using a qualitative approach and literature review, this study examines the factors that influence the success of fundraising through mobile applications, such as trust, ease of use, and perceived usefulness. In addition, other aspects such as interface design, application features, and promotional strategies are also considered in this analysis. The results of the study show that the implementation of fundraising features in the Dompet Dhuafa application has the potential to be an effective means of collecting donations from the wider community, with the caveat that the institution must pay attention to key factors such as transparency, ease of use, and providing clear information about the impact and benefits of donations. The effectiveness of implementing these features can be measured by an increase in the number of donors, the amount of donations collected, and the level of community participation in programs run by Dompet Dhuafa.

Artificial food additives pose significant health risks to Gulf Cooperation Council (GCC) citizens despite regional authorities' extensive medical, legislative, and technological efforts. Literature highlights the detrimental impacts of these additives, including malnutrition, digestive disorders, respiratory problems, skin issues, hives, nausea, diarrhea, shortness of breath, allergic reactions, high blood pressure, and tumors. The research project at hand aims at becoming the first official and comprehensive mobile application of its own in the GCC region that manages the calculation and demonstration of an up-to-date health and legal knowledge base of the impacts of artificial additives, enhances the awareness, automatically recognizes the artificial additives, and provides alternative solutions, for both android and IOS mobile platforms. This research project introduces "Weqaya," a pioneering mobile application designed to manage, educate, and raise awareness about the effects of artificial additives. Weqaya provides real-time health and legal information, identifies additives, and suggests alternative solutions for Android and iOS platforms. The project employs an Agile-based SDLC model to explore, develop, and evaluate the food additive phenomena in Weqaya. The application's usability evaluation scores a promising 95.21%, indicating its potential utility for GCC health ministries, dietitians, academics, researchers, and food producers in enhancing knowledge and promoting non-artificial food options.

A surveymeter is a measuring instrument that functions to detect radiation exposure doses, which uses a Geiger Muller gas filled detector with the initial unit of sievert converted to microsievert (μSv/hour). In this research, we fabricated an IoT-based surveymeter and tested the response of the gas fill detector used to changes in exposure factors. Before collecting data, it is mandatory to set parameters on the control panel to determine the radiation exposure dose to be measured. Measurements are carried out on a mobile X-Ray with parameter settings including tube voltage (kV), tube current (mA), and exposure time (s). From the results of research that the Geiger Muller gas filled detector responds to the radiation exposure dose that has been determined on the control panel and fired by mobile X-Ray, the results detected by the detector will be displayed in the application in the form of Counts Per Minute (CPM), µSv/h, + /- and data can be stored in the database. The higher the tube current value given, the smaller the radiation dose value obtained. In other words, the gas fill detector responds with a dose value that is directly proportional to the X-ray tube voltage value and inversely proportional to the X-ray tube current value.

The rapid growth of cross-platform applications has significantly increased the volume and diversity of sensitive user data processed across heterogeneous and distributed environments. Personally identifiable information, device identifiers, behavioral data, and financial information are routinely collected to support personalization, analytics, and service optimization. While these practices enhance application functionality and user experience, they also introduce substantial privacy risks, including unauthorized data access, device fingerprint–based re-identification, cross-user data leakage, and large-scale data breaches. These risks are further amplified by distributed processing architectures and extensive third-party library integrations commonly used in modern cross-platform systems. This study aims to systematically analyze privacy issues in cross-platform applications by examining the types of sensitive data involved, identifying dominant privacy threats, and reviewing state-of-the-art privacy-preserving mitigation strategies. A systematic literature-based methodology was employed, focusing on recent Scopus-indexed journal articles, conference papers, and book chapters. The analysis synthesizes findings using thematic categorization and a conceptual research framework that maps sensitive data sources to privacy threats and corresponding mitigation mechanisms. The results indicate that privacy risks in cross-platform applications originate not only from external attacks but also from internal architectural weaknesses, such as flawed authorization logic and excessive data sharing across system components. Privacy-preserving techniques including differential privacy, federated learning, blockchain-based data governance, secure multi-party computation, and fine-grained access control mechanisms are shown to provide stronger privacy guarantees compared to conventional centralized approaches. However, these techniques also present trade-offs related to system complexity and performance. Overall, the study highlights the importance of adopting a multi-layered, privacy-by-design approach to ensure sustainable, trustworthy, and regulation-compliant cross-platform application development.

This research aims to explore public responses regarding the existence of mental health applications. This research was conducted using descriptive qualitative phenomenological methods. This research uses a phenomenological approach with data collection techniques using focus group discussions and interviews. The object of this research was students aged 16-22 years and who had experience with mental health. The data obtained came from 8 people in FGDs and 16 people in interviews with a trial period of 3-4 weeks. The results of the research show that the user interface has an effect on the user's perspective, application performance has an effect on the intention to use it continuously, emotional release has an effect on changes in individual behavior.

Aquaculture is a significant industry in Indonesia, but water quality management remains a challenge, impacting fish health and productivity. This paper presents a low-cost, IoT-based water quality monitoring system designed for small-scale aquaculture operations. The system continuously measures pH, temperature, dissolved oxygen, and turbidity, providing farmers with real-time data via a mobile application. Field trials in Java demonstrate the system's effectiveness in maintaining optimal water conditions, reducing fish mortality, and increasing yield. The study suggests that affordable, technology-driven solutions can substantially benefit the aquaculture sector in Indonesia.

Currently, mobile technology developments are increasing rapidly. Crompton and Burke (2018) conveyed that smartphone as one of mobile technology is is rapidly advancing. Approximately 90% of students possessed a smartphone, and a few even had multiple mobile phones. (Wong et al., 2010; Bhati & Song, 2019). This study aimed to examine how the students perceive the utilization of “Splash” as a media on learning listening skill. Splash is one of android program that developed by the English team in Stekom University. It is made for improve students’ listening skill and grammar skill. This research used quantitative descriptive. The sample consists of 50 students who taken language class. The result showed that there are positive attitudes from the students about the usage of “Splash” to improve listening skill. They can use it every time and everywhere without worried running out of internet package because this application doesn’t need internet package to use. The students also found that the content of this application is interesting. They also got post-activity activities and tasks to help them improve their skills.

Technological developments provide convenience in various fields, including marketing and finance. Currently, marketing can be carried out digitally by utilizing internet technology. The presence of online loans, which is a type of peer-to-peer lending financial technology (fintech), is the result of advances in financial technology. PT. Fidac Innovation Technology is a company operating in the fintech sector and has the Dumi product which provides online loans specifically for State Civil Apparatus (ASN). The purpose of this research is to determine digital marketing techniques in increasing sales of fintech peer-to-peer lending on Dumi products by using 5 (five) digital marketing techniques, namely: Search Engine Optimization (SEO), online advertising, email marketing, mobile applications, and social media marketing. Qualitative descriptive is used as a research method by collecting data through interviews with PT employees. Fidac Technology Innovation IT Design Division which carries out digital marketing, observation and documentation. The research results show that the digital marketing techniques implemented by PT. Fidac Technological Innovation by utilizing SEO, online advertising, social media marketing and mobile applications is already running well. However, Dumi's digital product marketing technique in the form of email marketing has not been implemented due to limited resources.