Micromax A57 Ninja 3.0 official Pictures. Micromax A57 Ninja 3.0 is a Smartphone of micromax. The Micromax A57 Ninja 3.0 Android Smartphone. Announced Sep 2012. Features 3.5″ Display, 3.15 MP Primary Camera, 1400 MAh Battery, 256 MB RAM. Micromax A57 Ninja 3.0 price starts.