Gravity Glow app for iPhone and iPad

This is a fun puzzle game where you have to change the direction of gravity by spinning the phone to get the ball to the portal. The levels start easy but get quite difficult.
Note:
There is currently only 21 levels, please email in your level designs so i can implement them.
Important:
This is not a maze game where you hold your phone flat and tilt it to move the ball. You need to hold the phone vertically and spin it though 360 degrees to change the direction of gravity.
Instructions:
Hold the phone vertically and rotate through 360 degrees to change the direction of gravity. The aim is to safely guide the ball to the portal without colliding with any deadly objects.