1. Love Calculator
This is a small app, in which you will have to enter the names and it will check the result and will display a comment too 
Use this application to know the loving affinity degree with your partner. Beyond the gotten result, is visualized a brief sentence accompanied by a "sonorous comment".
Get it from Play Store
2. Kissing Test
Kissing test will check the intensity of your kiss
1. Choose your gender.
2. Kiss the lips on your device's screen.
3. Your kissing ability will be analyzed and displayed!
4. Share with Friends on Facebook, twitter, Mail etc.
Read more and get it
3. 101 Ways to Say I Love You
101 Ways to Say I Love You Book, you can just read it
Get it