Mane4Droid with multi usb joystick with China made Android 4.2.X TV Box

[GoogleCodeExporter]

What steps will reproduce the problem?
1. Connect two usb joypad and run Mame4Droid
2. Both joypad map as Player 1
3. Cannot play two players game such bubble bobble with 2 usb joypad

What is the expected output? What do you see instead?
Can direct hook to each usb joypad for key mapping

What version of the product are you using? On what operating system?
Android 4.2.x, latest version of mame4droid on googleplay

Please provide any additional information below.

Original issue reported on code.google.com by johnhui...@gmail.com on 10 Feb 2015 at 7:32