Tencent or Nintendo (if you assume the FTC BS about Switch not a console or Nintendo don't enter/blur the lines of the console market ever again) can enter any worldwide console market at any time, competition is present in many regional markets with existing competitors such as Sony and/or Nintendo. For regions where less competition is present, such as no Nintendo or regional dominance, there is still viable and sustained opportunity for new market competitors or partners. Irrespective of what MS choose to make exclusive or not e.g. COD on consoles from the filing.
Starting in 2016, Tencent Games developed a video gaming console dubbed TGP (Tencent Gaming Platform) Box. The TGP BOX is called the Blade. It is an Intel-powered console running Windows 10 and a TGP Box mode. So far, the TGP console has imported many Tencent games, such as League of Legends, FIFA Online 3, NBA 2K, Monster Hunter, Need for Speed, and PlayerUnknown's Battlegrounds. Tencent Games hopes to bring third-party developed games.[19] On 22 November 2017, Tencent Games formally entered into a strategic co-operation with PUBG Studios and obtain exclusive rights to operate Playerunknown's Battlegrounds in China.
In April 2017, Tencent Games unveiled its flagship gaming platform, WeGame which will host games, content, and services from all over the world and will provide gaming info, purchases, downloads, live streaming, and community services, creating an open ecosystem for gaming. WeGame is an upgraded version of TGP (Tencent Games Platform) that already has more than 200 million active users (compared to Steam's 125 million in 2015) and over 4.5 billion downloads. It will be dedicated to both global developers and players and will assist developers who require help with translation. The gaming platform will support both Chinese and global users through a single storefront and is due to go online on 1 September 2017, Tencent Games has stated that the platform will focus on PC and standalone games and will no longer host web or mobile games, and will provide support to small and indie companies.