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

MD5	Package Name	Fingerprint	Source	Detection date
70938a13564b3b07287031e354a2f5ae	installer.com.foursakenmedia.heroesandcastles	DE39CCA543E57497F376D1EDFEFF88C2	virustotal	2015-09-30	View on Virustotal