With the help of...Machine learning and artificial intelligence ...
>>>> we use thousands of Pictures in this to Teach the computer, teach the machine how to detect the picture and every object. in this case it is a finger of Human in every image and than the finger pointing towards the cursor or the klick on screen ...

Amazing(Wonderful);
Any where you touch your finger the human in the picture will be appear that will point to your finger touch.. This app is made to motivate you to machine learning and Ai etc..

easy and Enjoy