To see all apps that you've downloaded, tap on ALL APPS (bottom right corner of screen).
To Add an App to FAVORITES / Home Screen
1. First tap and hold app (with 2 fingers) that you want removed from FAVORITES.
2. After App has been selected, tap REMOVE.
3. Select App you want to move to FAVORITES. Tap and hold (2 fingers) to select app.
4. Tap open spot to add your App