After a few delays, LG Pay launched in South Korea last summer and, thanks to its moderate success in that market, LG has decided to bring it to the US in the first half of 2018 with the help of the G7 and V40 flagships. The mid-range handsets are expected to get support for it at a later time as well.
https://www.notebookcheck.net/LG-Pay-to-hit-the-US-by-June.277602.0.html