Pretty easy!? So just do it please and tell us the details
This might be helpfull as well:
https://www.mobileread.com/forums/sho...&postcount=137
FYK, I already tried a Google Market apk from XDAdev, but it didn't work and it finally turned out that some other packages are missing which are required to make Market&friends work.
So, it's not just about installing a proper Market apk, you gotta resolve package dependencies...