If you press on your Android smartphone, the Home button for longer, then the new "Google Now on Tap" appears. So that you can easily retrieve all information about the content currently shown on the display. A very nice feature that helps in a one or other situation with security. Maybe you bothering this feature as well and you wish not send via Google Now on Tap your screen content to Google.
If so, then you should this article help Google Now on Tap to disable on your Android smartphone again. This goes as follows:
1. Opens to the Google App
2. In this type in the upper left of the three bars to the menu to open. Select this option "Settings".
3. Typing in the next sub-menu on the "Now cards"
4. Clear now "Now on Tap" by the controller so that it is grayed out. Done!
You just successfully disabled on your Android smartphone with Android Marshmallow the service "Google Now on Tap". If you now press the home button long, appear the Google Now cards, instead of Google Now on Tap.