Mostly, you'll use the software for two things: assigning buttons for individual game profiles, and controlling the lighting. (tomsguide.com)
Every button except left click can be remapped in Razer Synapse, so you can separately assign the buttons on either side, though by default both sets are mapped to forward / back. (techspot.com)
Using Xpadder we can easily circumvent any game with fixed - buttons by assigning those buttons as we see fit. (howtogeek.com)