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

MD5	Package Name	Fingerprint	Source	Detection date
5575cfa95d33e91af50875707c9b1e5e	com.fishtank3dlivewallpaper.rainbowapp	89425986F0A4D6D2758891689C948BB1	virustotal	2013-12-02	View on Virustotal