Show how romantic you are. Beam a kiss in old fashioned Morse code! Just using the flash of your device as torch.
Currently you can say in Morse code:
ILY I love You
Kiss
88 that in original Morse code stays for Love & Kisses
or of course SOS for a dramatic situation!""
Be aware not too point the flash to your or other people eyes!
Note: it might eat up your battery