Thinking how to run Adobe Flash on Jelly Bean, just follow these simple and quick steps :
1) Download the file flash_player version 18.104.22.168: http://d-h.st/mba .
2) Copy your files to the SD card of your Android device.
3) Install it using any File Manager.
4) Start the Browser.
5) Go into the Browser settings and uncheck the option of Flash Player (on demand or always on at your discretion)
6) Finally you have the latest version of Flash also Android!