Nice for hidding files or prevent their thievery. This app supports images  videos and any file you want to hide! it also decrypts on the go if you just want to see your files just from the app. Easy to use and nice interface. The only problem i have is that the in-app gallery doesn't correct my photos orientation when showing them  and i can't rotate and save them in there  you should implement the same functionallity that galeries in Android use to auto correct orientation. 4* cause of that.
January 28 2015