Somehow, the interfaces on some bundled apps are reminiscent of older versions of Android and are in need of a face - lift. (theverge.com)
This means that the app can be updated without updating the Android operating system, but it also means that you can install the app on old versions of Android. (howtogeek.com)
This boosts block space while remaining compatible with older versions of Bitcoin software. (bitcoincenternyc.com)