SDKBOX GPG testbed for nmpe

Cocos2d-X上に実装SDKBOX GPGのnmpe（C ++のネットワークマルチプレーヤ・エンジン）

SDKBOX Google Play Games testbed for nmpe (network multi-player engine on C++), the version implemented on Cocos2d-x platform.

With this demo you can:

* Choose image from gallery;

* Take image from camera;

then:

* Create/Join Google Play game;

then:

* Send image to all participants=players in unreliable mode;

* Deliver image to all;

* Deliver image to all by small parts;

* Cancel your image sending;

* Switch to short messages (finger move) unreliable sending mode; (fastest, not safe)

* Switch to short messages synchronized delivering mode;

* Hide menu to tap some participant screen to zoom on it to watch unreliable sending and receiving speed;

In real GP multiplayer game you may send your game data instead of the image.