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

MD5	Package Name	Fingerprint	Source	Detection date
ec7505945bf3892bc9c210c353dfc5fa	com.android.mmreader312	1F7F3CD90628CE6EBE44D9E0C6E88248	virustotal	2013-11-16	View on Virustotal