The Serbia flag emoji displays 3 horizontal lines with red on top, navy-blue in the middle, and white on the bottom. Slightly off-centered to the left is a yellow, red, and white crest with a crown on top and a red outline.
The flag emoji of Tajikistan features three horizontal stripes. A wider white stripe is in the center with two thinner stripes on top and bottom. The top stripe is red while the bottom is green. In the center, there is a golden crown topped by seven stars.
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.