Huawei AppGallery basically offers consumers a user and family-friendly application store specifically designed to give high-quality content, special value offers and access to apps optimized for Huawei. Huawei says that the store comes pre-installed on all new Huawei and Honor phones, starting with Huawei P20 by the start of April 2018, and there are expectations of a roll out to older devices during the second quarter of 2018. If you are a Huawei and Honor user, you can also download AppGallery to your phone in advance from HERE You should enable third-party app downloads and go to this link where the app will automatically start downloading. You can as well disable the service through the Settings menu in the Me tab or could be completely uninstalled, but all the downloaded apps will stay on the phone.