This is a commemorative app in memory of the useful service provided by "Friends Checker" for almost 3 years, until Facebook suddenly disabled it on May 22, 2013.
这是一个纪念的应用程序在内存中友“检查”提供有用的服务，Facebook的近3年，直到2013年5月22突然停用。

RIP: Facebook just disabled this app :(
2.6.8: Facebook SDK updated to v3.0 and removed unnecessary permissions
2.6.5: Translations updated
2.4.1: German version added
2.4.0: Layout modified (icons and app name)
2.3.2: Fixed issues with orientation changes
2.3.1: Fixed problem reported by tablet users
2.2.6: Algorithm optimized and now running also for Android 1.5/1.6
2.2: Install on SD available for Android 2.2