What I have done in the past that worked for me was to heat the hot glue with a heat gun, you could also use a hair dryer on hot, and
use paper towel to soak up the glue.
Place the paper towel on top of the glue which you want to remove and heat the glue up, as you do this it will absorb into the paper towel.
Keep doing this until you have removed as much as you can.
This method also works for removing candle wax form fabric on furniture or clothing.
I hope that helps you!

Namaste
Snowdragon