Where is Google pay Developer account and how to generate public key to upload in it?

Question

No One on Whole of Stack overflow no one has answer to this, I dont know why , has no one worked with Google pay on android?? . According to google :

Follow this link

Answer 1

For sure answer lies here : https://developers.google.com/pay/api/android/guides/resources/payment-data-cryptography#key-rotation

I checked this link almost 50 times .. and i don't know if a true native android or iOS developer will be able to understand this or not .. but we need to go through each and every step of link below carefully ..

Still cant get the clear answer of how to create or find a google pay developer profile