The original Final Fantasy Agito service for mobile is due to end in November as per this. While the article mentions that Square are planning some sort of relaunch, it'll be different from the original Agito so even if it does come to PC there's no point having this page.
Topic on Talk:Final Fantasy Awakening
Yep, it's being replaced with Type-0 online for 2016 which is supposed be a successor... of sorts:
http://www.ign.com/articles/2015/09/19/tgs-2015-final-fantasy-type-0-online-announced-for-mobile-pc
http://www.polygon.com/2015/9/17/9346933/square-enix-final-fantasy-agito-playstation-vita-port
https://steamcommunity.com/app/340170/discussions/0/523897653303766678/
http://gematsu.com/2015/09/final-fantasy-type-0-online-announced-pc-smartphones
The degree of whether.. and when... it is coming out in English varies wildly by article XD.