Run Phone Manager in home screen and setup access to authority on Dropzone management and Protected apps.
1. Dropzone management setup
STEP 1. Run Phone Manager
STEP 2. Select Dropzone management
STEP 3. Turn ON Assistive Touch
2. Protected apps setup
STEP 1. Run Phone Manager
STEP 2. Phone Manager>Settings
STEP 3. Select Protected apps
STEP 4. Turn ON Assistive Touch