Using speaker as mic

[heyyyyyyy]

Hi, this is my first thread. Sorry if i select the wrong section. I just want to "transfer" the music that i play directly in the microphone on my smartphone that use android.

 

[webworkings]

You can't use a speaker as a microphone. Microphones are 'input' and speakers are 'output'. Perhaps you misworded what are you are trying to do? Please explain further.