Dear Air Traffic Controllers， We have an update in our demo. [New Features] [list] [*] Level Editor: Customizing your own airspace and airports. Customizing runways, aircrafts spawn frequency and map background is now available. [/list] [New Arts] [list] [*] Updated Map Selection Page. [/list] [Updated Features] [list] [*] Slightly decreased the time for putting the "HOLDING WAYPOINT". [*] Changed the player action of putting the "NAVIGATION WAYPOINT" from "Click" to "Long Press". [*] Auto navigation will only be triggered when player drags an aircraft onto the "NAVIGATION WAYPOINT". [*] Slightly decreased the frequency of audio warning. [*] Updated the text of the "GAME OVER" Page. [/list] [Bugfix] [list] [*] Fixed a bug where aircraft spawn in wrong position in "WASHINGTON". [*] Fixed a bug where in rare cases the icon of an aircraft leaves its border. [/list]