Perhaps I was a bit harsh, didn't really mean it as negatively as it sounded. It's just that the entire post gave me the impression that he is more after making money than creating something valuable.

But my comment was that if he really is after making something valuable, he can choose either platform to make it for first and then make it for the other. It really won't make any difference since he will most likely not just be able to make it for one platform then wait for the money to roll in.

Or in other words, making it for one doesn't have to exclude the other; and after having created it for one, he will be able to get a better feel for the market and work on the other while working on the marketing.

I don't see how choosing just one of the platforms will make you the most money unless you're counting on a lucky break and get the lottery sales figures. Hence my judgment that he's really asking what platform he's most likely to get lucky in.

Of course everything I say has limitations in what you want to produce. And sort of contradictory to my point if the project is very big.

The fact that he thinks it's a one-or-the-other choice. My employer has an iPhone, an Android and a BlackBerry app. My personal project (Phonalyzr) is available in both Android and BlackBerry flavours (no iPhone due to SDK restrictions).

All three platforms have pretty big market shares, focusing on one exclusively seems like bad business.

I second this question.