Shopee App not appearing in the app store may be due to a variety of reasons. It may be that the app is not yet available in the region or is restricted. In addition, the app store may need time to update its app library to add new apps. In addition, the app store's policies and requirements may also restrict the appearance of certain apps. Finally, users may need to check their app store settings to ensure that it contains apps that are compatible with their geographic location and device.