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I'm revamping the brand/site for www.spritebuilder.com, which is a tool game developers can use to build games (using Objective-C, for iOS and Android).
The playful feel of the brand is basically correct, but we'd like it to be a touch more professional-looking, and the logotype in particular needs work.
Suggestions of contemporary-looking sans faces with a smidge of playfulness about them (not too much; the colors and mascot go a long way) would be greatly appreciated.