Something which you think you can do better. Doesn't matter if you can do it right away, but you probably have a passion and know the process/concept and want

Something which you think you can do better. Doesn't matter if you can do it right away, but you probably have a passion and know the process/concept and want to improve on it; from there you have a good idea on what you want to do, so now its a matter to research the coding to accomplish it. With such you might also figure out that certain platforms languages are well or worse suited for what you want to accomplish.