in Hanoi I tried a couple of Gaito Girls, experience wasn’t that great, they were a bit goofy most of the time.
I also went to a massage place called Eva.
Eva Massage - So 1 Ngo 23 Nguyen Thi Dinh, Cau Giay District, Hanoi
Eva Massage - 394 Tran Khat Chan, Hai Ba Trung District, Hanoi
Eva Massage - 197 Xa Dan, Dong Da District, Hanoi
Eva Massage - So 1 Quang Tien, Nam Tu Liem, Hanoi
in theory FS is not in the menu but inside two different girls offered for a tip. the girls a very willing to please there. only issue is you never meet the girl until the last minute because you select it from an ipad that the host show you.
in Saigon they had something called Hoc Tocs (blowjob bars) they are extremely cheap and you can choose from many girls some very pretty and offer a great BJ service.