Assumption: You mean the Android app "AS Programer" (an APK) version 21.013 and want a safe way to download/install it.
AsProgrammer is a graphical interface tool created by developer Alexander to read, erase, and write serial memory chips. It is open-source (MIT license) and serves as a powerful substitute for the often-buggy official CH341A software. Key Technical Capabilities asprogrammer 21 013 better download