新增匯出與匯入資料庫功能
feature of product:
★ Fast GPS positioning.
★ Quickly find your current location.
★ You can customize your own geographic location icon.
★ You can customize your own bookmark categories and icons.
★ Export and import bookmark information.
★ Change the map view category.
★ Search locations by address or name.
★ View nearby Google attractions.
★ Check your location and street view.
★ Move your location to view the location or street view.
★ Share your bookmarked spots or your own coordinate location.
