I know this might sound stupid but what is a braille display and how does it work? do you write and read with it and does the braille come up on your phone screen? from MayN?^j÷?éb²×%?É(?Ø^?i?v&z\?¢YhÂ)à?)ä?¨¥¶??që,ºJު笵úÞzX¬¶Ê+?Ë??ç-