Goal and options: How to make a page-holder for a book without using any addition material?
output answer: You could fold the tip of the page of the required page to function as a page holder.

Goal and options: How to make a simple flag for the backyard?
output answer: Use a large pallet and paint the stripes across the pallet pieces then draw and paint in the stars in a small corner of the pallet

Goal and options: To get the "smart" part of a smart TV working.
output answer:
A "smart" device refers to it's ability to connect to the internet. Connect it to your home's wi-fi, or plug it into a router if the TV has an Ethernet port.