I seem To have a problem with canvases. I tried changing it's resolution to 512x512 but no luck.
"Cannot create canvas: Error in implementation. Possible fix: Make canvas width and height powers of two"
I saw that one other had also the problem but a new version fixed it for him. I have also got the newest version. My resolution on phone is 480x320. I'm drawing circle to the canvas. Don't know what more info is neccesary.