These are all apps that are geared towards a couple.  Adding a little personal touch to a special couple! - [Avocado](https://play.google.com/store/apps/details?id=io.avocado.android) - [Couple](https://play.google.com/store/apps/details?id=com.tenthbit.juliet) - [Twyxt (Beta)](https://play.google.com/store/apps/details?id=com.lo2.messenger) - [Between](https://play.google.com/store/apps/details?id=kr.co.vcnc.android.couple)