External microphone for android for recording

[maienl]

Hello everyone,
I have one android phone and want to record okaish video for instagram and other social media.
My internal microphone is already damaged...

Is it a good idea, what do you guys sugget?

 

[maienl]

Also I am looking for playing acoustic version of this song.

stereoact-jaques-raupe-feat-peter-schilling-terra-titanic-anstandslos-durchgeknallt-remix ... guitaa.com

I think thiis will look cool? is anyone learning this song on guitar?