Follow along with the video below to see how to install our site as a web app on your home screen.
Note: This feature may not be available in some browsers.
Long-press the 'Home' button and the last few apps used appears. Tap on the one you want. Simple.
That's how it works on my HTC Amaze w/ICS and every other Android device I've had.
I use Nova Launcher, mimics vanilla ICS but does not have the multi-task button on phones with capacitive buttons. Long-press home for recent apps.

Samsung phones there also have those four buttons instead of the usual 3 buttom layout internationally.