App Store and Play listings

IOS_STORE_URL and ANDROID_STORE_URL only when they are https Apple or Play hosts.

Footer iOS app / Android app chips open IOS_STORE_URL or ANDROID_STORE_URL only when the URL is https on Apple or Play hosts. Otherwise they stay on this /mobile page.

Kumir never fakes Apple or Google badge artwork and never invents a public listing. Internal signed TestFlight or Play internal testing is configured on the host, not in git.