Global server, use OnestoreSG/qoo-app to install
guest account. can link buyer's gmail
If your Steam version HW can use google login, then you can use these accounts on Steam HW too

For iOS, please install hw on iOS first and check if there is a gmail login function, if so then account also work for iOS.
 

multiple accounts available, find info in pic
View in full size! 
pic is cropped on page

DPS vanguard lv 30~40
10~35m coins left, check pic

If interested, chat me on website first