List of objects to find is on the left side of the screen. Find them on the scene before the time runs out. If you get stuck, tap on the hint button. Use magnifying glass button to zoom the scene (you can also drag the screen around in this mode)
Hidden Objects Futuristic takes you to the far future. Despite advanced technology, there's still much garbage laying around. Find all objects on the screen before the time runs out. 16 levels full of items to get cleaned.