If you want to add Windows Store or Xbox Game Pass Games to Steam, you need to do a bit of a warkaround because Steam can't see UWP apps, and there's a chance Steam won't show it on your 'Currently playing' status.

Legends of Runeterra - The Foundations set will be unlocked in your Collection and Deck Builder.Small project to link UWP games and XboxGamePass to Steam.

Champions will be unlocked in your Champion Collection and you will receive a 20% XP boost.

League of Legends: Wild Rift - Benefits for League of Legends: Wild Rift will be available later in January, 2023.

Teamfight Tactics - Unlocked 1-Star Little Legends (excluding latest) and 4 Arena Skins can be found in the Loadouts selector.League of Legends - Champions will be unlocked in your Champion Collection and you will receive a 20% XP boost. Purchasing in-game champion skins requires separate purchase of the champion in League of Legends / Wild Rift.Xbox Game Pass and Premium PC Cafe Benefits do not stack. XP boost does not apply to daily missions, weekly missions or account level XP. VALORANT - All Agents will be unlocked under your Agents Contract Screen, receive instant access to new agents on day one, and you will receive a 20% match XP boost given to Battle Pass, Active Agent Contract, & Event Pass Progress.Once your benefits are ready, you’ll see all of the content you unlocked in your in-game collections with the Rewards Program indicator for as long as your Xbox Game Pass membership remains linked and active.

In some cases, the unlock process can take up to 24 hours. If your Xbox profile is associated with an active Game Pass membership, you’ll get an in-game notification the next time you log into any one of Riot’s games notifying you when your benefits are unlocked.

Xbox game pass pc launcher