Version 10.1 is supposed to bring mobile devices much closer to their full sized cousins. Blackberry, Windows Mobile, WebOS, Android and Symbian versions are all in the pipeline. Windows Mobile definitely won't have 10.1 until Windows Phone 7 ships. Adobe has already indicated they aren't going to support WinMo 6.5.
Of course, Apple's iPhone and iPad won't be getting it either, but not for lack of effort on Adobe's part. In the interview, Narayen stated that it is a business decision on Apple's part, not a technological issue. Some developers say this makes sense and argue Flash and touch screens don't mix. I don't buy it. Not everything has to work 100% effectively on a mobile platform for any of it to work. Apple's customers are the losers here.
For other mobile phone platform users though, we should start to see Flash 10.1 roll out on devices by the end of the year.