Touch the three circles at the same time to gain one point. Repeat until the time is up. Every ten points you earn five extra seconds. Get as far as you can. That's all.
Two screenshots of the font rendering update. One goal is to make the game looking more appealing, another to improve the performance - quite dramatically. The text rendering is still using the CPU font rasterizer, which works OK but the texture uploads are pretty slow. Now I am switching to a bitmap font renderer, but I have to write all that logic still myself since I don't use a framework ...