2月2日的YUAN应用程序分析

This is a smart note-taking stylus APP. The stylus is connected to the mobile phone via Bluetooth, and the writing content on the specified notebook is synchronized to the APP. It can realize the settings of pen thickness, color, etc., playback the writing process, share the writing content as PDF or picture, receive offline notes, etc. Export or upload the writing content to your own Google Drive or iCloud for backup.