Flash games can be played on Android with Adobe Air. The problem is the performance and that most Flash games are not made for the touch screen. Most flash games nowadays come in a wrapper in form of an app. So the game developers would need to release their games for phone/tablet.
Infectonator on Google Play Store - This is actually a flash game and includes a swf file designed for mobile devices.
As for a browsing app you could use something like Tapatalk which supports forums in general as opposed to one app per site/forum.