This is a thread, what you just created.
Well if the card can run apps will depend on 1. what Android version your phone is running and 2. if the manufacturer has restricted that option on that device or not. If the phone is running any version prior to "Marshmallow" then it will not allow the change. If you are running "Marshmallow", or can upgrade to it, then try the following instructions.
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 select...