Navigate Google Map by Hong Kong 1980 (HK80) Grid System Coordinates. *Exclusively for use in Hong Kong *Useful for Land Surveying related person **Input Non-Hong Kong coordinates may causes program "Force Close" ***Use GPRS / WIFI data (be careful!!!) ***For Android 1.6 or up
Functions: Search Location by:- (input the coordinates and click the "Arrow" button) (Choose coordinate Type at dropdown list at upper right) -Old Imperial Coord. (ft) [pre-1963] -New Imperial Coord. (ft)  -GPS's WGS84 Geodetic Coord. (dd.mmss) -Hong Kong Address
Get HK80 coords. by Clicking on the Map (Turn on TAP function by click the "finger" button)
Current Position [Green Cross] by GPS ("Satellite" Button) -Celluar Positioning [at the beginning] -GPS / A-GPS Positioning [after the Celluar Positioning] -auto temporary switch back to Celluar Positioning if GPS unavailable
Satellite View (Google Earth) ("Earth" Button) -Switch to Google Earth satellite view
Give Information about the searched Location including:- (Press Menu -> Point Info) -Address -HK80 Coord. -1:1000, 1:1200 and 1:600 (in certain area) Survey Sheet Number.
Mini compass (Realtime) at the upper left corner -The Mini compass will rotate according to your direction -By clicking the mini compass, the value of Bearing will show inside the compass) -The [Red / Green] Cross also rotate to your direction -(Sometimes you may find the direction do not accurate, if then, please rotate your phone in all directions to calibrate the sensor.)
Status of GPS at lower right corner -Show number of Satellite "in use" / "in view" -By clicking the text of Satellite Status, the detail of each Satellite will show up.
Street View (Press Menu -> StreetView) -Show up the Street View for the location of [Red/Green] Cross. -Press "BACK" button to go back map view.