In July 2011 Wooga released Diamond Dash for iOS, which was its first mobile game.

FORBES: Wooga Ramps Up Mobile Strategy With New Android, iOS Titles

The company said in March that 64% of Diamond Dash players log in with Facebook.

FORBES: Wooga Ramps Up Mobile Strategy With New Android, iOS Titles

Like Diamond Dash, Bubble Island is a 60 second bubble shooting casual social game.

FORBES: Wooga Expands In Mobile, With Bubble Island For iPhone, iPad

So Wooga has taken time to make sure its Android version of Diamond Dash is on par with its iOS version.

FORBES: Wooga Ramps Up Mobile Strategy With New Android, iOS Titles

Wooga has seen success moving its Diamond Dash game from Facebook to iOS. That game has had 30 million downloads since December.

FORBES: Wooga Expands In Mobile, With Bubble Island For iPhone, iPad

At the same time, logging in with Facebook is a key part of driving mobile engagement on Diamond Dash, Wooga CEO Jens Begemann says.

FORBES: Wooga Ramps Up Mobile Strategy With New Android, iOS Titles

One answer: mobile players who play Diamond Dash (and connect with Facebook) are a remarkable eight times more likely to spend money in the game.

FORBES: Wooga Ramps Up Mobile Strategy With New Android, iOS Titles

Wooga is preparing to launch Diamond Dash on Android and also bringing Monster World, its farming game, to iOS. Both are expected to be released this fall.

FORBES: Wooga Ramps Up Mobile Strategy With New Android, iOS Titles

The Berlin company has some of the top social games on Facebook, with titles such as Diamond Dash, which has about 70 million total users since it was released in March 2011.

FORBES: Wooga Ramps Up Mobile Strategy With New Android, iOS Titles