We combine technology and art to create valuable app with beautiful design.

Green Lake Technology

Offline Map


Offline Map is your ultimate oversea travel mate, city map, subway map, airport map, this app provides you great seamless travel experience…

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Currency Converter

Built-in calculator
Convert instantaneity
100+ currencies
All currencies showed on one list…

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Footprint is a beautifully designed map app for tracking place you have been, simply check in where ever you go around the world…

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World Recipes

World Recipes collects the most popular and distinguishing recipes around the world. The classic leather menu design fits your iPhone/iPad…

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