간단한 도구는 구글지도에서 바다 마크를 볼 수 있습니다
Just start the app and navigate to your territory to view sea marks. This app is 100% free and comes with ads on the bottom of your display.
For more functionality try out NavShip
https://play.google.com/store/apps/details?id=de.cprosoft.navship
Last updated on Sep 1, 2017
Inital version
Discover what you want easier, faster and safer.
Seamark Viewer
1.0 by CproSoft GmbH
Sep 1, 2017