Hippotizer PLAY support is limited to email only. If you cannot find information you need from the Quick Start Guide or the Discord Server, you can open a support ticket using the PLAY support form here.
PLAY is essentially full blown Hippotizer with a few limitations (like the watermarked output) so all the features and support can be leveraged in PLAY. More information can be found in the Quick Start Guide.
Please note that there are few really important points you should look at found in the System requirements and Installation documentation in the Quick Start Guide
You will need a PLAY activation key to install PLAY. You can get one by filling out the PLAY activation request form here.