For all those 'Device Not Certified'
Following is a way to get your Device registered with Google..
For me it worked smoothly.
NO Guarantee but then no harm in trying.
Go to Play Store, Download this app called Device Id.
Or to sideload ...
Disclamer: I'm not the owner/ creator of the ROM, Sharing with you guys.
Download the Following files.
Stuck on Google (first boot) after updating (though OTA) 11/10/19 update.
Get GAPPS here:
Try PIXYOS (PIE) and forget about DOTOS