A fun and straightforward puzzle that wants a player to find the most optimal way to solve the level. I am guessing ur presentation is "linking up OS system".
confusing area
- Can't tell where is the circle is at the start of the level. change the color of the circle would make it easier to spot.
-Can't tell where is the other "square" without using energy. having a dotted square is could help inform the player where are they without wasting energy switching around.
Extra suggestion for improvement
-Adding enemy (in-game context "virus") that move per turn the same way as you, will give variety and more challenge.
-Adding a battery to either recharge energy or give player points, it could make the level easier or give the player an optional objective "collect them all" aka more variety to your game.