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Bublik Game
Bublik Game is a popular geolocation game where you have to find Bublik coins around your area, and if the app points to them, you need to get closer (at least 50 meters) and find them to earn points and climb into the top 10 leaders, or just share your stats on social networks, mail and SMS.
The built-in map gives you the opportunity to plot a route to get from your current position to the place where Bublik is hidden.