Goal:
To create polka dots on painted nails,
Answer:
use a toothpick to dip into the nail polish bottle and dot onto your nails.

Goal:
How do you make drinks cold quickly?
Answer:
Put a wet paper towel on the drink, and put it in the freezer.

Goal:
To give paper an aged look
Answer:
To give paper an aged look, preheat your oven to 200F. Crumple up your paper, uncrumple it and spread it on a baking sheet. Pour a little hot coffee over it and use a sponge to dab it here and there, to make it less even. Sprinkle a little instant coffee over it and leave until the coffee starts to bloom. Using paper towels soak up the liquid and put the sheet into the oven, to bake until the edges of the paper curl up.

Goal:
To screen record on android phone.
Answer:
Download a screen recorder from play store and follow its recording instructions.