Navigating within an Android app

Some of the apps and games that are available in the BlackBerry World storefront are Android apps that were converted to be used on BlackBerry devices. In these apps, you can show or hide an action bar at the bottom of the screen or you can quickly go back to the previous screen.
Do any of the following:

Illustration of an arrow representing a touch moving from below and halfway across the screen, diagonally up and to the left.