https://newatlas.com/samsung-galaxy-s9-plus-mwc-2018/53556/ >The Samsung Galaxy S8 and Galaxy S8 Plus were two of the very best flagship phones of 2017, so all eyes have been on Samsung to see what it would offer as a follow-up. Today at Mobile World Congress (MWC) in Barcelona we found out, with the launch of the Galaxy S9 and S9 Plus.