Gundam Info hosted a live stream video for the announcement, and yes they did reveal a ton of surprises.
The new title for the series is now called Gundam Build Divers! Main GunPlas featuring custom units from 00 Gundam and Gundam AGE series [Gundam 00 Diver and Gundam AGE-II Magnum]. And of course, they will be revealing more custom GunPla from the title as they produce more episodes for it.
We also see some familiar Mobile Suits from other series, like Kapool, and
Bandai already revealed the series' GunPla lineup until April 2018, including the HG Build Custom Gunpla series.
Gunpla Battle Nexus Online (GBN) is a new network game that lets people enjoy a variety of missions using Gunpla in a virtual cyberspace dimension. Middle-school students Riku Mikami and Yukio Hidaka recruit their classmate Momoka Yashiro and dive together into this vast world. Becoming "Divers," or inhabitants of GBN, they meet a mysterious girl named Sarah who has an amazing sensitivity to Gunpla. They begin playing alongside her, but... Through many encounters and experiences, Riku and his friends will build not only Gunpla, but their own adventures as well!You can watch the prologue of the series before it airs in Japan this spring 2018!
***Plans for the GunPla may change without prior notice***
Here are some screenshots from the first few minutes of the new title