Signboard is the most reliable, easy to use application to display any text on your mobile phone screen. Type anything in any language with emoji and symbols and show it on full screen in your phone display. Whether you need help or need to inform people about something, this app will save your day. Sometime we do not have a printer or a paper to let people know. But if you install this app, it will help you anytime any place. What you can do with this simple app. ● Display given text using whole screen area ● Show billing information to the seller ● Expose pick-up signboard at the airport ● Ask for help in unknown language ● Exclusively for the waterproof devices: "help I can't swim" ;-)