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

MD5	Package Name	Fingerprint	Source	Detection date
a53db78be24c375b33ae64ede96b10c7	com.android.mmreader590	06CDA0A354CF01CF37BDE4C6D51EC848	anubis	2013-08-05	View on Virustotal