Essential Android Apps for Wilderness Survival.This is an open-source Android app specifically designed for hiking, camping, and wilderness survival scenarios. It utilizes the phone's sensors to provide practical functions such as offline navigation, sunset reminders, photo mapping, and path tracking. All functions can be used in a no-network environment.

Multi-functional Image Editing Tool for Android. This is an image editing tool designed specifically for Android. It is entirely free of charge, supporting batch processing, filters, background removal, size adjustment, and cropping, among various capabilities.

Open-source YouTube Android Client. This is an open-source third-party YouTube Android client that offers a clean video watching experience. It doesn't require logging into a Google account, is free from advertisements, and supports features like subscriptions, playlists, watch history, and search history.

Android Key Remapping App. This is a free and open-source Android application that allows users to customize keys, fingerprints, and gestures on Android devices. It works without the need for ROOT permissions and supports both Bluetooth and wired keyboards, providing a flexible key remapping experience.

Android App for Custom Screen Touch. This project is an automatic click tool based on accessibility features that supports custom or subscription click rules, which can be used to automatically complete operations such as skipping ads, consenting buttons, receiving red packets, etc.

Minimal and Power-saving Tomato Clock Tool.This is an open-source Android time management tool that helps users manage time and improve concentration based on the Pomodoro Technique. It is ad-free, trackless, and completely offline, supporting features such as history records, colored labels, heatmap statistics, focus/break ratio, and custom styles.

一款帮助建立和维持好习惯的应用。该软件完全免费、支持中文、无广告和内购，在 Google 应用商店上有 500 万的下载量。首先用户需要在 APP 上新建一个习惯，可以设置频率、量化任务、提醒时间等，每当完成一次习惯就在应用上做一个标记，后面会有详细的图表展示习惯养成情况。

A Comprehensive Collection of Android System Easter Eggs. This project gathers various Easter Eggs from Android systems, including complete code and experience features.

Turn Android Phone into a Dash Cam. This is an open-source dashcam application for mobile phones that turns your phone into a dashcam. It continuously records audio and video in the background and can save the last 30 minutes of content when needed. All operations are processed locally without the need for an internet connection, protecting user privacy.

Minimalist Android Weather App. This is a weather application that highly emphasizes design, adopting the Material Design language. It is simple and clean, free of ads, supports Chinese, and can display precipitation in the next hour, air quality, hourly forecasts, real-time weather data, pollen, humidity, and various other weather data.