QRShare is an easy to use application to share you Contacts, Events/Reminders and Gallery Images with your pals sitting close to you without the need for any Internet Data connection or even Wifi; as the sharing happens through QRCode only.
You can search for your Contacts, Calendar Events, Reminders and Gallery Images and then share with someone nearby.
Extremely fast and quick it also has finger print security option which you can enable if you want.
More interesting and exciting features to come in upcoming versions...