>>43741230Giovanni is listed on the Pokemon Go website as being the leader of both Team Rocket and Team Go rocket, so yeah, it's an offshoot. There was a leak about Jessie and James being added to the game in the future, so their role may give us some idea how the game relates to the timeline. Though I'm pretty sure Pokemon Go takes place in the present, on Earth with NPCs from the Pokemon world (including Willow, who you transfer the Pokemon to).
Either way, the little bits of story it has is just focuses upon stuff originating from K-k-k-k-
