This app is part of the seed and there aren't found similar apps on marketplaces

MD5	Package Name	Fingerprint	Source	Detection date
f3dd9e058bb4d28bbaaf749d93e880bc	cn.seven.joke.ui	0D175FA04E638C3FF93E9C41BCC1230E	virustotal	2014-01-20	View on Virustotal