Galaxy TAB S4: How to move Apps to MicroSD Card?
Navigate to Apps screen > Tap Settings > Tap Apps > Tap Mobile Print > Tap Storage > Tap CHANGE > Choose SD card > Touch MOVE
Pictorial representation of the above settings are as follows:
Note: If this option is not available the app cannot be moved.
Note: Save room on your tablet by moving apps to your microSD card. The ability to move apps to the microSD card is not supported by all apps.