Here are four great Valentine’s Day apps for lovers in all shapes and sizes: 1. Whether you’ve been making eyes with her for ages or whether you’ve been best friends since birth, the Love Test Calculator is a fun Android app to test whether you’re meant to be. 2. JustWink is a great app to send free fun greeting cards to all your loved ones. Pick your own cards, type in a message, sign your name and seal with a kiss! 3. For the soft souls among us, Love Poems is a great app to share your heart’s deepest feelings (in some one else's words) 4. For those who always forget, install the Valentine's Day countdown, it could save your marriage!