According to Tianyancha, the patent that Tencent and Pokémon co-applied for has just been publicized and described as a "game system, methodology, program, and server".
Data via Tianyancha
As insiders decoded, this patent was aimed to provide a multi-player PVE platform. Demonstrations include the image below:
Demonstration
From the given information and images, this patent is highly likely to be related to Pokémon Unite, a 2021 game now available on Nintendo Switch and mobile platforms.
Pokémon Unite
Source: Tianyancha