Кнопки скачивания приложения из магазинов:
GooglePlay https://play.google.com/intl/en_us/badges/
AppStore https://developer.apple.com/app-store/marketing/guidelines/
AppGallery https://developer.huawei.com/consumer/en/doc/development/AppGallery-connect-Guides/agdlink-getlink-agc-0000001164321881