Because you are bypassing the Google Play Store and installing a "theme" repackaged as an app, you expose your device to:
You will likely get one of these:
While Os Build 2.0 was a popular iteration, the current Os Build 3.0 on AppBrain includes additional stability fixes and animation improvements. Win 11 for KLWP - Apps on Google Play Download Win 11 for KLWP - APK - Os Build 2.0
Let’s break down the keyword into its core components: Because you are bypassing the Google Play Store