Open-Source Android File Format Converter.This is an ad-free, free Android file format conversion tool. All conversions are carried out locally on the mobile phone, with no need to upload files to servers. It supports audio/video, image, PDF, font, subtitle and other types of files.

Minimalist Android Schedule.This is an open-source Android schedule app for teachers and students in Chinese universities. It supports one-click import of course data from different university’s educational management systems via adaptation scripts, and features like today’s schedule, home screen widgets, and automatic silent mode or Do Not Disturb during classes.

Turning Android Phones into Wireless Microphones.This is a cross-platform tool that transforms Android phones into computer microphones. It supports Wi-Fi, USB, and Bluetooth connections, and can receive audio on Windows, Linux, and macOS. It has built-in audio processing capabilities like noise reduction, automatic gain control, and de-reverberation, and supports virtual microphone access as well as parameter adjustments for sample rate and channels.

Application for Automatically Recognizing Faces in Images and Replacing Them with Emojis.This is an Android face pixelation application based on the YOLOv8 model, which can automatically detect faces in images and cover them with Emoji expressions, and also supports various blurring effects such as Gaussian blur, pixelation, and halftone dots

In-Browser Management of Your Mobile Phone.This is an Android application developed in Kotlin. It allows you to easily view and manage contacts, text messages, call records, files, and photos on your phone through a browser on any computer within the same local area network, and supports functions such as screen mirroring, remote control, and file transfer.

Minimalist Android Compass.This is an Android compass application developed in Kotlin, with a simple interface, small size, no ads, and supports real-time display of basic directions, sensor status, and vibration feedback

Highly Aesthetic and Multi-functional Android Music Player.This is a local-first, privacy-focused Android music player featuring a beautiful Material You dynamic theme that automatically adapts to album covers or phone wallpapers. It supports lyrics display, custom song transitions, home screen widgets, casting playback, and listening statistics, among other functions.

Open-Source AI Mobile Automation Assistant.This is an open-source Android AI mobile automation assistant that enables users to automatically perform tasks on their phones through natural language commands without a computer. It utilizes vision-language models to recognize screenshots and combines delegated execution or GUI automation to accomplish complex app interaction tasks.

A Minimalist Android Traffic Monitoring App.This is a free, open-source, lightweight, and ad-free Android network traffic monitoring app, which supports features such as real-time network speed display in the status bar, historical data, and application-level traffic statistics.

Cross-Platform GitHub App Store.This is a cross-platform open-source app store client developed with Kotlin, which supports one-click discovery of popular open-source projects, downloading installation packages (such as APK, EXE, DMG, etc.), and tracking installed apps and prompting updates.