[jenders]

Great idea but cue Tinder trademark lawyers in 3… 2… 1…

[wyldfire]

That would be no problem for OP I'd be happy to write them back. It's not infringing if you're not doing any business.

[Wurdan]

This is commonly believed, but is not actually true. Not generating revenue via the infringing activity might contribute to an argument of Fair Use, but it's not a magic wand that disappears copyright claims.

[excalibur]

Tell that to Nintendo

[suyash]

and not to forget the patent lawyer for "swiping gesture" patent claim that will hit

[risquer]

sorry... i made an app like "the swiping app"...