Playable offline, spooky game, very neat! Tap the well, it will give you a few options, not sure if it matters which you choose. It shows you a picture of what you need for the quest. Select the map at the bottom right. Turn on the flashlight, bottom middle button, find the objects which drop items, you get five of each item. Use the map to go back to the well. Drag items over the well. Every once in awhile it freezes, wait, it will load an ad or "something else!"
音無の井戸 ~33の願い事~ at Google Play market analyse