Find the flag corresponding to the given country. Keep note of the flags you get wrong for your next plays!
Tap on the dominant color, i.e. the color having the biggest surface
Find the pair of matching icons
Tap on the numbers in ascending (1, 2, 3, etc.) or descending (3, 2, 1, etc.) order depending on what's indicated on the screen
Find which emoji is different from the others. Look at their orientation!
Tap on the colors from light to dark or dark to light depending on what is indicated on the screen
Find which icon appears only once
Select the final position you reach when you follow the arrows, starting from the flag. Select only the final position!
Find which shape is unique. Beware that shapes can be identical but have different orientations
Make both sides of the grid symmetric. Avoid empty cells and bombs or you will get a penalty