We provide a series of app samples to help you quickly get familiar with the APIs and app development process of the OpenHarmony SDKs. | 为帮助开发者快速熟悉OpenHarmony SDK所提供的API和应用开发流程，我们提供了一系列的应用示例
Performance profiler that provides an analytics tool for the memory, bytrace plug-in, and IDE, as well as plug-in capabilities | 性能调优模块，提供了实时内存、bytrace插件和ide侧的分析工具，并提供了插件化能力
Implementation of media playback and recording | 媒体播放和录制功能实现
Storing declaration files for JavaScript APIs | JavaScript API 公共仓，存放 d.ts 声明文件
JS UI framework | JS UI开发框架
