This page will tell you roughly how to get the game working in your device and some troubleshooting methods.
FAQ and troubleshooting
- I try to run y without even letting you send an error report. The only recommendation to-do is to install a (Stock) Google ROM.
- If you discover any (bugs/problems), please post at this forum post complete with what smartphone you are using and the steps to reproduce the problem.
- peppy's FAQ 
- peppy's download page 
- peppy's osu! (OS X) testing release 
- mattyu007's How to Run osu! on Your Mac without using Boot Camp 
- KcLKcL's Solution: Running Osu! In Ubuntu or Xubuntu 
- doomed151's General Information and Download (osu!droid) 
- Guy-kun's T-Aiko! for Android (Market Release!) 
- T-Aiko Google Play page 
- peppy's osu!stream official page 
- osu!stream App Store page