Unfortunately, I don't think it's possible to have an app on android, there's an app on the computer (which I use a lot myself) and if I want to see what I've taken as a note for example, I share the note with a pdf on my phone, which allows me to consult it (without being able to modify it)

Hello, there is a solution called Onyxsdk which allows access to the tablet via the wifi network. Access is via the browser.

Hello, Neo Reader is installed. You can also install other applications through Google Play.