Take Meitu Xiu Xiu as an example:
1. Open a picture at will and click on the template puzzle in the "Jigsaw" page.
2. Click "9" under the online material, select the first heart-shaped puzzle, click "+"on the left to add it as 9 pictures, and drag the pictures with the mouse to change their positions.
Select borders, shading, etc. , and then click OK.