With so many mobile (Android or iPhone) apps being released in such a short period of time, designers need to really create apps that stand out. Visual inspiration is very important part of this. It is also a way that you could leave your own mark on the entire industry. Think about the gestures that exist on mobile phones. The techniques used to get stuff done on our phones is constantly evolving. Think about what doesn’t exist yet. Your mantra should be, “What is the most natural way to get this done.” Double tapping? Swiping? Typing?