1. When you are logged in go to the Settings option on the top menu as it shown in the image below.
2. Scroll down and move to the right then select Applications. When you click on Applications you will be shown a list, like the image below.
3. Now scroll down to Manage Installed Applications and click that.
4. Once you click Manage Installed Applications you will see all the Apps that are installed on your device.
5. You can start any Application by clicking on that app and then selecting Launch Application.