Cyanogen, the author of the firmware for Android OS devices called CyanogenMod, has entered into a partnership agreement with the social gaming network Playphone.

The authors of Puzzle & Dragons have acquired a 70% stake in the American social gaming network Playphone for an unknown amount.

Competition in the market of mobile social gaming networks is escalating. While Japanese giants GREE and DeNA are actively expanding in the Western market, “local” companies are trying to oppose them with something.

The PlayPhone company, which created the mobile gaming social network of the same name – acting on the same field with the networks of such serious players as Gree, DeNa and Papaya – has announced a new version of its SDK.

The startup PlayPhone from San Jose (California), which created a mobile gaming social network of the same name, shared with Venturebeat some interesting figures reflecting the results of its activities since January of this year.Actually, the official launch of the PlayPhone SGN (Social Gaming Network) network, which supports devices based on iOS, Android and Windows Phone, took place in mid-December 2011.