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

MD5	Package Name	Fingerprint	Source	Detection date
f335c6ee4bbcbef49951b5849b43b1a7	com.android.mmreader139	1F7F3CD90628CE6EBE44D9E0C6E88248	virustotal	2014-01-20	View on Virustotal