Download the XAP, APPX, or APPXBUNDLE offline files of Knock-Knock for Windows 10 Mobile (Windows Phone). You can download for FREE for manual installation right now. Windows Việt only shares original XAP, APPX, or APPXBUNDLE installer for apps and games. All apps and games for Windows 10 Mobile (Windows Phone) here are ONLY free for home or personal use purposes. Knock-Knock is the property and trademark of its original developer, not ours, all rights reserved. Please do not re-upload to the Microsoft Store.
