You have learned Java and C, which is good, but what language are you looking to develop in?
I am more proficient in C# .net CF [3.5] than I am in C++, but I am learning C++. I would say that if anything has helped me, it is looking through the samples that come with the SDK like they are bibles [sorry for the religious reference]. Also, treat Google like your best friend!
If you EVER need help, I would LOVE to help you out. I also don't mind sharing the sources to a good deal of my applications that I have already developed!
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