Been exploring some possible animations for the sign up screen on the current iPad app.
Another version with less background dots tested and few other tweaks & thoughts: http://youtu.be/X0eMLHmcy9g
There is a dynamic background which is better seen in the below detailed video of the animation which also includes my thoughts and thinking behind the animation.
http://www.youtube.com/watch?v=lcdz3G0r_mU&feature=youtu.be