public static Savable loadGame(String gamePath, String dataName, AssetManager manager) {
        return loadGame(gamePath, dataName, manager, JmeSystem.StorageFolderType.External);
    }
Loads a savable that has been saved on this system with saveGame() before.
@param gamePath A unique path for this game, e.g. com/mycompany/mygame
@param dataName A unique name for this SaveGame, e.g. "save_001"
@param manager Link to an AssetManager if required for loading the data (e.g. models with textures)
@return The savable that was saved or null if none was found
jme3-core/src/tools/java/jme3tools/savegame/SaveGame.java