Fishos navigation is a GPS fishing app for marine navigation app to save select and edit saved location be easy to read with large font sizes operating in a moving bouncing boat get to go to that magic spotFishos Navigation very good outside visibility outside with my Samsung S4 set on auto brightness:Note settings auto brightness is necessary for better visibility outsideLocation entry automatically displayed in decimal formatWhen GPS chip has a satellite fix the main screen displays the following Bearing to selected location (target)Current heading default North Magnetic declination able to be entered in settings for you current chart area mine -19 then able to steer course of compass or current headingDistance to selected positionSpeed in selected units Km Mi or MNCurrent position coordinatesSelected position name and coordinates can display in one three modesDecimal, Minutes, SecondsScroll-able to show buttons at bottom of screenNew button to open new screen to add current position or add in your own coordinatesSelect button to select saved position you would like to go to from listEdit button to select location you would like to rename or add notesSetting Dialog to change magnetic declination,Change unit displayChange Coordinate displayAll coordinates are entered in and saved in decimal format and converted to display in selected format One of the upgrades planned is to include input for coordinate formats displayed in this app.