Action Video below :-
https://youtu.be/PfAAxrgdHGc?list=PLLkKR3qy5enp1eXfgHwrwK4lspUo3fUru

The middle finger tip of InMoov is made from foam soaked in conductive ink, compression of the finger changes the resistance, which is connected to ESP8266's analogue port and relayed back to the Blynk app showing as a rolling display.