Biggest thing to remember is this.
1) This logo will be shown to kids.. ages 3-6. The logo needs to be funny and playful. Obviously, the cow should be purple. :)
2) I don't want just "another cow drawing" ... I want something that is unique, stands out, a big goofy, funny... example.. it can be really fat.. with long legs.. or have a big head with small body, etc..
3) If you only plan to draw a simple cow drawing, don't waste your time.
4) If you have any questions, ask me!
5) BIG THING -- we plan to show the logo at the start of EVERY app and game. We will have a funny voice that says, "PURPLE COW!" when the purple cow logo appears, followed by a "moooooooooooooo" so once again, its important the cow looks funny, playful, goofy, etc.. I uploaded 8 different designs I like. Although they all look somewhat different, it gets my point across that the logo has to be 100% for young kids and not look like just a cow drawing they would see anywhere else.