Draw a couple of cherries on a branch in the cells. Level of difficulty – simple. You will need these colors: black, red, green and light green (or light green). Let's start with the contour

Paint all but two of the cherry cells red

Paint the cells of the leaves dark green, as shown in the following image

Make the rest of the cells light green

I think, you have a wonderful picture!
There are more Pixel art images on the cells on this pageand.