Let me give you something to think about:
Windows 8 has market place for apps. The App Store is definitely going to explode. Why? Because there will be ALOT of people using windows 8. Even 1% of the entire windows population switching to w8 is ALOT. With potential customers and cash incentives given by Microsoft, why wouldn't developer dive into app development for windows. That said, windows 8, windows 8 RT and windows phone 8 are all built using the similar architecture. Meaning to say, it is easy to port apps around this 3 platform as long as they are made as apps for the market place.
In summary, don't worry. Your apps are coming VERY soon. (: give it about 2 months and developers should be ready to provide you with quality apps(:
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