Funny, just reading the title of this HN submission immediately said in my mind "Nothing". Who in their right minds develops flash mobile games?
Lots of my friends, although for many developers it was never so much the question of developing a Flash game for mobile, but rather moving existing games to mobile. Kongregate did a great job on their Android app as well, they have a very nice catalog of free Flash games that have been repurposed for mobile.
It's worth nothing Flash as a development platform is an increasingly viable vector to getting on mobile but published as a native app with AIR.
HMTL5? Once is understandable but the author misspelled it twice!