The newest product in traveling has arrived! Let Hiker’s One by One guide give you an experience you’ll never forget. Similar to a GPS the comprehensive One by One guide comes complete with automatic, accurate and professional functions. It’s just like traveling with your own personal tour guide! Currently the One by One guide features various cities and locales throughout China but in the future will expand its guides to other countries. Check out the features below: Accurate Positioning: The One by One guide uses GPS tracking to pinpoint your precise position within any featured locale. Off-line Maps: Avoid pricey roaming charges during use overseas. Data roaming default must be turned off on your device. Auto play: Your position within any locale will automatically trigger the One by One guide, providing you with a complete narration that encompasses, history, culture, arts, entertainment, etc. Commentary: The information is limitless! The One by One guide lets you view photos, listen to audio files, read articles, etc. By the end of your trip you’ll learn everything there is to know! Guided Tours: Follow hand sketched maps of scenic spots from different cities and locales to find the best routes recommended by Hiker. The software can be used with Google Earth, hassle free. It’s convenient!: No need to carry a guidebook around with you anymore, just use your phone! It’s convenient and lightweight, not to mention it doesn’t take a rocket scientist to use it! Requirements: ISO 4.0 or higher; Supported by iPhone 3GS and iPhone 4 free and Paid apps download address : http://phobos.apple.com/WebObjects/MZStore.woa/wa/viewSoftware?id=451699569 http://phobos.apple.com/WebObjects/MZStore.woa/wa/viewSoftware?id=451904036