Yes, it is. The 'dragon ball viz graphic novel' is a great way for new fans to get into the Dragon Ball world. It presents the story in a clear and engaging graphic format, so they can quickly understand the basic concepts and characters.
Perhaps it will focus on the next generation of Saiyans. They might discover new forms or techniques that are unique to them. It could also involve a new kind of Dragon Ball quest, where the characters have to find the balls in a completely different dimension or under some strange circumstances. For example, there could be a time limit set by an unknown force, and if they don't gather the balls in time, something catastrophic will happen to the entire universe.
I have no idea when it will be. Usually, such news is shared on the game's official website or social media pages. So, you should check those regularly for updates.
It's hard to say for sure. Sometimes new stories in video games are considered non - canon, but since it's related to such a big franchise, there's a chance it could be canon.
In this fanfiction, Gohan and Videl could start training together in a new environment, like a hidden valley. They face challenges specific to this place, such as strange creatures and unique energy sources. As they train, their relationship deepens, and they learn more about each other's limits and potential. They also discover new power - up techniques that they can use in future battles.