I have Nova Launcher installed.
Long Press on desktop
--> Nova Actions
--> Recent Apps
This places a button on desktop that would open up recent apps.
T Mobile Galaxy S5: [ROM] AllianceRom - Build 2
AT&T Galaxy S5: [ROM] Stock Rooted
All Infuse modems individually packed into CWM flashable packages
Android Memory Management
Clicking "THANKS" is the simplest and easiest way of showing appreciation.