The developer, Anagan79 , updates QGO constantly (often weekly). The free versions you find online are usually:

Install the SideQuest application on your Windows, Mac, or Linux computer.

"Free" cracked APKs found online often contain malware.

Conversely, you can downclock the processor for longer life during casual media viewing.

Do you have access to a to assist with setup? What specific games are you hoping to optimize?