The flag of Puerto Rico emoji shows red and white alternating horizontal stripes starting and ending with red. There is a blue triangle connecting all of the stripes with a white star in the middle of the triangle.
The Costa Rican flag emoji is made up of five horizontal red, white, and blue stripes. The thick red one in the middle is flanked by two white stripes, followed by two blue stripes on the top and bottom.
The Malaysia flag displays red and white alternating stripes starting with a red stripe on the top and a white stripe on the bottom. On the top left side sits a dark blue rectangle with a gold crescent moon and star in the middle. The crescent moon is on the left and the star it on the right.
Tanzania's flag emoji features a green triangle in the top left corner and a blue triangle in the bottom right corner. A black stripe runs diagonally from the bottom left corner to the top right. The black stripe is bordered by yellow stripes on both sides.