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

MD5	Package Name	Fingerprint	Source	Detection date
27cb26c5020beb5eabe7ceb23be047c7	com.hsj.cbook20	6E13B5C2F9431BCF88518A5599584ACD	virustotal	2013-11-14	View on Virustotal