Android Logging App for Sailors

Android app for easy logging of sailing trips using online maps with simple user interface for starting and stopping logging, event entries. App should also allow for a sailing trip map showing the route to be posted to FB, Instagram, wordpress, twitter etc. with photos and comments. Basic functions: 1) use phone GPS data to record track and statistics such as total distance travelled, average and max speed. 2) show boat track on a satellite view or open seamap 3) large easy to use screen buttons for starting and stopping a new log 4) easy menus with drop downs or radio buttons for log entries such as engine start/stop, sail configuration, reefing, wind angle and speed, sea state etc. 5) automatic logging of GPS data should have programmable intervals from 1 minute to 1 hour 6) detailed log entries can be entered anytime and also at set intervals with alarm and screen reminder. 7) photos can be taken with the app and added to the GPS track with small thumbnails, or added later 8) app will link/sync to the logmysail website where all logged data is backed up and a summary of all trips can be seen in table view with statistics. 9) tracks can be shared with authorised friends and other sailors. 10) completed trips can be shared from the app or website to social media. 11) map view of logged tracks to show wind angle and speed when recorded and photo thumbnails. 12) app can be installed on multiple devices and logged tracks synced between devices. 13) free basic version and paid pro version 14) basic version only logs GPS data 15) pro version will be able to record wind amd sailing data from the boat's NMEA2000 data network over WiFi 16) the app should ultimatley create a community of users who can share voyage information. This is a long term project and we require a developer who can not only deliver an intitial version with basic functionality within 3 months, but who will work with us over the next few years to add functionality.