X Window System / X11 server for Android, complete and fully functional, with PulseAudio server included.
You may use it to stream applications from your Linux PC, or to launch Linux installed on your Android (installing Linux is done via separate app).

3D acceleration and OpenGL are not supported. If you're launching X clients from PC, you can install VirtualGL to use OpenGL.

Touch screen with two fingers to send right mouse button click, with three fingers to send middle button click. You ca