You can't restore backup, As clearly written in OP that no SetupWizard.
Please make some add on packages bro. I really wanna flash this gapps but I'm unable due to these limitations. I don't ask u to include those apps directly into gapps package. But make some add ons so that user can flash whatever app they want. And i really like the work of yours making the most optimized gapps package. Well done sir nd thank you
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