Opsu is an open-source version of osu! written in java and it is now on the play store. You can download beatmaps from anywhere you want and play them on your phone, and even post your scores on leaderboards to compete with friends!

Opsu is published under the GNU GPL v3 licsence
The code for Opsu can be found here:
https://github.com/itdelatrisu/opsu
Opsu's fork for android is here:
https://github.com/fluddokt/opsu
Code for this app:
https://github.com/AnirudhRahul/opsu-Android
Credits for everyone who contributed their artwork to this app are here:
https://github.com/itdelatrisu/opsu/blob/master/CREDITS.md

1. Clique no botão de download para baixar a página.

2. Para arquivo APK normal, você pode fazer o download direto do arquivo ou pode escolher o download rápido do arquivo com nosso instalador.

3. Para arquivos especiais como XAPK ou BAPK, você deve escolher o download rápido do arquivo com nosso instalador.

4. Ao concluir o download do arquivo, você deve permitir que seu telefone instale o arquivo de um recurso desconhecido.

Fixed some beatmap servers that were not working
Added some more server options to download beatmaps
Added automatic bug reporting!
Reduced app size
64 bit support
Performance Improvements