i like the idee but i always hoped sony had placed the Touchpad at the bottom of the controller instead on top just like on the Vita
now u have to move your hand to much and get a bit out of reach with your thumsticks if they had placed the touchpad at the bottom your fingers would already be there or in reach of it without moving your hand.
English
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That's why it's suggested to use it for action that you use in a calm moment like call gosth and sparrow