Look at 2 pictures and click or touch the second picture where it is different from others.

Drag and drop the number on the equal expression (Subtraction). Get 100 points for correct drop and loose 50 for wrong drop. ...

Click or tap a item which is different in the group.

Look at the pattern and drag the next thing to the blank place.

Simple endless bubble shooter with classical touch.

Pick and drop blocks' stacks inside the board to make a complete horizontal or vertical row of blocks. The more rows you make...