Hmm, that's a tough one, I'm sure there are some people out there that could help you, but what's your plan for the game, would it use any store API (like steam, google play, app store), because each one would handle it differently, but would do it for you.
As for doing it on your own, I don't really know how to do the whole thing, I would just make it access a website and check for some number you posted in a page and check against the current one (user's).
My java version is unnable to support android-24 API, even after I updated it Best way to package a project for updates?
Problems such as recordings freezing up, difficulty in selecting the correct, working input source or having the full range of input sources available, usually mean your sound device has faulty, outdated or inappropriate drivers.If it's higher, then popup a message with a link for the update. umg slow on mobile device Package ERROR: Automation Tool terminated with exception: System.