Plain graphics use pixels and blocks. The main task is sorting pieces to make a picture. i find the drag drop and rotate actions simple.
Clicking and dragging the mouse moves pieces, rotating them is done with a click.
Controls involve drag, drop, and rotate pieces with your mouse. There are no fancy effects, timers, hints, toggles, modes, levels, or difficulty stated.
Most players sort the edge pieces first. Use drag and drop to move pieces, and rotate them until they snap.
Q: What are the controls? A: Drag, drop, and rotate pieces with your mouse.
Q: What is the objective? A: Sort pieces to make a picture.
Q: Are there any stated features? A: Not stated.
Q: What is the main mechanic? A: Sorting pieces.