In order for you to play Doodle Kingdom on macOS with minimal graphics settings, your computer must meet the following requirements
Operating System:
OS X 10.8 or higher
Processor (CPU):
Intel Core 2 Duo Processor 2.0GHz or better
Memory (RAM):
2048 MB RAM
Graphics Card:
Intel HD Graphics 3000 or better. 512MB Video RAM
Storage:
1024 MB available space