Sparkling areas note where Hidden Object Scenes are located. Tap on these locations to enter a Hidden Object Scene.
Find the items listed at the bottom of the scene. After you've found the items you'll get a score to help you level up the scene. More items will be added to the list of things to find when you level the scene up.
There will be a cool down period after a Hidden Object Scene is completed. This will be a short amount of time you'll need to wait before being able to play the scene again. You can spend Diamonds to speed up the wait time.
There are 4 different types of Hidden Object Scenes: