Microsoft Rewards is offering a bonus of 100 points, level 2 status for a month (for those not at level 2 yet), and double mobile search points until 6/30 for installing and using the Microsoft Launcher app on Android.

If you downloaded the app before 5/31 you can uninstall and reinstall to take advantage of the offer as per the fine print:

*Requires signing in to the Microsoft Launcher app using the same Microsoft account you use for Microsoft Rewards. If you already have Microsoft Launcher: Requires uninstalling the app and then installing the latest version before signing in. Limit: 1 per person/account.