It is vital to note that the standard , not KaiOS. This is the source of most buyer's remorse. KaiOS phones (like the Nokia 6300 4G) do have a limited app store. The 2660 Flip does not. If you want a "hot" app store, you bought the wrong phone.
If you already own the phone and it keeps showing "App Store Hot" errors or feels warm: nokia 2660 flip app store hot
if you want: