Image Capture not recognizing Android device on MacBook Air

Transferring images ( photos and a videos) from Android to MACbook Air

The 2 devices are connnected via USB cable, & teh 'droid's settings changed to 'transfer data'; have opened the II opened Image Capture

But I do not see where to select my other device and transfer the images.Where have I gone wrong?

I've been struggling for weeks with getting these files tattached to an email that is unchanged from original source, as well as openable from theattachment.h

must get them iattqached to an URGENT business letter.

Thanks if you can help!