Morse Code Engineer - Apps on Google Play

pwede magcommunicate/magsendan ng messages through patterned blinking flash lights or patterned sound beats (ba tawag dun?). yung magreread ng message ay dapat may morse code reader, pwede rin itong app na. u can try it with 2 phones if gumagana. yung isa malayo. basta it can read the sound/blinking flash lights