You need to root your wife's S2, then use something like Root Explorer or ES File Manager to find the .apk file for the app you need, then copy it to an SD card and from there to your computer. Then transfer to your Nexus from the computer via USB and install it.
Last edited by TadMorose; 05-23-2012 at 09:01 AM.
Cell phone history:
Motorola DPC 550 -> Ericsson DF388 -> Sanyo SCP-4000 -> Samsung SCH-N150 -> Samsung SCH-T300 -> LG TM520 -> LG VX-4600 -> BlackBerry 6750 -> BlackBerry 7250 -> Samsung SGH-807 -> T-Mobile Dash -> Motorola RAZR -> BlackBerry Bold 9000 -> BlackBerry Torch 9800 -> Samsung Galaxy S Captivate -> Samsung Nexus S -> Samsung Galaxy S III LTE