Ohai, I've met your app a few days ago and I can guarantee it's great. There's 2 things I'd like to suggest tho:
-Wave to wake function more sensible, I find a hard time waking it up properly (I may be the one failing here tho).
-Adding a funtion that If the notification haven't been seen, screen will turn on for a few seconds every x amount of time. Of course it'll be useful on AMOLED devices :P
Anyway, if it's useful somehow, the device I'm using is a Motorola RAZRi (Just like a RAZR m, but with an intel SoC).
Keep up the good work