Google Hangout (http://www.google.com/+/
Couple (http://couple.me/ available for iPhone, Android and on the web) Couple is a mobile app for iPhone or Android (there is also a web beta version) which provides a private and secure messaging system for 2 people. Couples can have secure conversations, share videos or photos privately, create a couple calendar and work on lists simultaneously. There is even the ability to ‘thumb’ kiss. The app is free to download.
QuizUp (https://www.quizup.com/ only available for iPhone) Looking to connect in a competitive way? QuizUp is a social trivia game that can be played with friends or strangers across the world. The game offers over 150,000 questions in over 300 categories. Each game takes less than a minute to play (there are 7 questions per game) and take place in real time. This app is free, but only available for iPhone. They are currently working on an Android app.