I See U app will show your photos placed on the map to all users or to your friends only. Only the new photos await you on the Live Map, as all them disappear after a while. Add your photos and videos when you travel around the world.
Your communication becomes much easier. It is very safe, no unknown people, you may add any of your friends to Black list or switch to Hide Friends and no one can see you on the map untill you switch to Show Friends.
To post your pictures to the map easier make sure "Location service" of your phone is ON. Continuous usage GPS in the background reduces battery life. Use battery saving mode in the settings.