Printrun for Android (non offical version)

Here is a 3D printing control app for Android devices. this app is written by my firend Arron Chan who is a phone app programmer(here is his e-mail:kernelj@qq.com) . This app is base on this app http://www.thingiverse.com/thing:13506 ,and make some improvements e.g.
1) all firmware supported , marlin sprinter and so on , but Markerbot firmware has not tested . I have tested reprap firmware ,and marlin working well !
2) support mendel and rostock Coordinate System
3)