Hi @franks440dart,
To enable the App Stop or App Freeze feature of Mobile Security, here's the link: What is App Freeze in Trend Micro for Android? | Trend Micro Help Center
Also, to add the App Stop shortcut to your Home screen, please follow the instructions below:
1. Open Mobile Security App.
2. Tap App Stop or App Freeze.
3. Tap the App Stop Logo on the upper right and then Tap Add Shortcut.
Hope this helps.