Hello. Thank you for your interest.
Currently, all Whatsminer models above and including m21s are supported. And all models younger than Antminer s17. 19 the line is currently at the stage of changes, due to the large difference in responses depending on the firmware.
No, the program code is closed, the application is distributed only through Google Play and the Ru Store (for Russia). If you are offered to download an apk file from another resource, most likely it will be a fake or fraud.