He uses a lot of different types of microphones and some of them are not available to most of us because of cost, but as most microphones nowadays are pretty good on our portable devices it is totally possible to do similar things with what you have.
If you have an idea or have some sound design tricks of your own that you can do with a Android device please record a video of how you did it and share with us...
Please send video or link to video to firstname.lastname@example.org and it will get posted
for us all to see!
But without further ado-