Acer Liquid S2 official Pictures. Acer Liquid S2 is a Smartphone of acer. The Acer Liquid S2 Android Smartphone. Announced Aug 2013. Features 6.0″ Display, Snapdragon 800 Chipset, 13 MP Primary Camera, 2 MP Front Camera, 3300 MAh Battery, 16 GB Storage, 2 GB RAM, Corning Gorilla Glass 3. Acer Liquid S2 price starts.