Download app in the Play Store
1. Get License key
a. Login to howmanyextension.com and click Download
b. Copy your license key from the Download screen
2. Paste License key into settings screen on app
3. Click Save in the top right of the screen
4. In ANY app, select an asin by holding down on it. This is just like what you would do if you were selecting something to copy.
5. Now click Share
6. Tap '#? How Many' in Share Menu
7. Now the How Many? App will open and display the results
8. To close this screen tap 'Done' in the top left corner