@halley - from our email conversation there was a bug in the source code in Game.cpp (line 84 I believe) that would set the virtual resolution to 0,0 if the device was not recognised, which would cause the black screen mentioned above.

@Paul. I'll fix it in the second edition.Thank you very much.

?baxslash - I had watched the video.

Do you know how to compile a Android version ? I had downloaded the Eclipse.

I haven't tried it myself I'm afraid... sorry!

Now Hold Ball was upgraded to 1.1 version. Hope you like it.
There are four types of ball in the game. And the game support 7 languages.