あめのふるほし รีวิว
4.0
According to the game description, "If it rains in the real world, it will rain in あめのふるほし too",
The setting is in planets with scattered machine debris and polluted air, which only clear out on rainy days.
Machines can only move on rainy days and just keep walking, picking up "the wills" from the wreckage of broken machines.
Someday, it will breaks itself too. Machines that are no longer in motion, like the wreckage, finally leave a will(which you can type anything but only in Japanese).
By watching video ads, you can make the machine walk faster.
It will reach its wreckage and break faster.
At the same time, there is donation system, the amount can be freely selected. No matter how much you buy, it will not effect the gameplay.