Tomizawa stated that one of the big goals of this game is to help the series go fully multiplatform. The Steam versions of Tales games in particular sell very well.
While this time the concept was to bring a good game to current platforms as it was, Tomizawa wants the team to challenge itself for future Tales games. While the team will keep aspects of the Tales of series that should never be changed, he wants to reconsider how much of the series should be changed
Read more at http://www.siliconera.com/2018/12/2...and-steam-sales-and-more/#4ZgdCr6xxXzARTIX.99
We can safely expect the next Tales Of to be on all the platforms Vesperia is on.