Adobe are only supporting Flash 11.1 (current desktop version is 11.8) for Android with security updates and critical bug fixes, that's it Flash on mobile is over.[1] On Linux, they're only developing Flash in Chrome, and for Firefox 11.2 is the last supported version[2].

[1] http://blogs.adobe.com/conversations...ash-focus.html
[2] http://www.adobe.com/products/flashp...ech-specs.html