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

MD5	Package Name	Fingerprint	Source	Detection date
8e5abc7051c0548dba6e07bc553b36e6	facebook.messenger.facebookmessenger.facebook.messenger.social.free.app.top.facebook.messenger.youtube.facebookmessenger	531448BB771FE342E1B8E17A1B440C25	virustotal	2015-04-08