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

MD5	Package Name	Fingerprint	Source	Detection date
01645fb3125e0a562d2a4fc645a695e8	com.android.mmreader35	FCB298BC67B3271E7807BB1A7355A506	anubis	2013-09-14	View on Virustotal