Qyu is not only one of the most awesome QR Code readers in the market, it is the gate keeper utility to a world of mobile exploration.
You always see QR codes and wonder what they do?
Qyu helps you to
+Keep a record of your scanned QR codes for easy retrieval.
+Presents a screenshot *(depends on availability) of the website instead of loading the site already.
+Reads vCard QR Codes and provides a simple interface to store them in your address book.
+Enjoy the benefit of tenqyu-enabled QR Codes.
Hey wait?! What are tenqyu-enabled QR Codes?
The problem with normal QR Codes is that they are not fun at all! They usually link to some more or less mobile enabled website. Yawn!
With tenqyu-enabled QR Codes you can
+Play along an overreaching story arc to find the fragments of the Singapore stone
+Participate is adrenaline-rush high-speed scavenger hunts.
+Explore the city through genuinely exciting quests.
+Earn unique items, unlockables, and trophies.
+Share your exploits on Twitter (unlockable)
+Learn more about everything.
Enjoy this app explainer video !
http://vimeo.com/98197792
For the meetup feature this application uses GPS.
"Continued use of GPS running in the background can dramatically decrease battery life."