I found software associated with this product and shared it with you.
http://www.colorfulmatrix.com/download/detail_shutter_mac
SHUTTER app helps you split the screen and improve your operation quickly. I hope this is helpful.
How about a " try before you buy version " ????
Apple and the developer obviously believe that Mac users are rich and can afford to buy all their products.
On the other hand if their is a trial version it certainly is well hidden.