Douro and Port wine

All the content are off line so that it is possible to access information even when connectivity is not available.

The main features of this application are:
- Travel Guide organized into categories
- Photo Gallery for each point of interest
- Positioning Map and directions for each point of interest
- Display more than one category on the map
- Display of the distance to each point of interest
- Save points of interest in the "Favorites"
- Search engine