Well that phone should be running Android "Marshmallow", which you would need to be able to run apps from a SD card. However it is possible that the manufacturer has restricted that option on that phone. It happens, often, especially with newer phones. I am including the instructions on how to set up the SD card correctly. If the phone doesn't allow you to do this, then it has been restricted on that phone.
How to turn external SD card into internal storage on "Marshmallow".
NOTE: Please be sure you start with a blank SD card. It needs to be blank because when the card is converted to "Internal" storage, it will be formatted (wiped) and encoded (making the cards data only readable by that device).
1. Go to device “Settings”, then...