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

MD5	Package Name	Fingerprint	Source	Detection date
fe9d7e3a8b16d829cb00f31daed85500	net.joydao.music	8483E0C6FFB2826DB0D39727969CC8EE	virustotal	2014-01-25	View on Virustotal