It is an application which can see and enjoy Trout and others who swims in a healing application "Trout stream" ravine. A ravine is arranged freely and it is made to oneself liking. Since it is made of 3D, it is observable from various angles by a rotation function. Please enjoy the Rainbow trout, the red-spotted trout, and char which swim in a beautiful mountain stream and freedom. -- Function -- The Trout fish stock change. a rock display -- undisplayed. grass and a nurse log display -- undisplayed. Plants are movable by a drug. Sea bed modification function. Rotation. Aquatic insect hatch.