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

MD5	Package Name	Fingerprint	Source	Detection date
bbb05ca0351b3508118ed5c4133cf4ea	cn.hongxiu.singlebook112262	01E131159D03BE0B57F64944EC4BFEDA	virustotal	2015-12-15	View on Virustotal