return {
  screen = {
    default = {
      width  = 1920,
      height = 1080,
      fps    = 30
      origin = {
        x = 0,
        y = 0,
      },
    },
    big     = {
      width  = 3840,
      height = 2160,
      fps    = 30
      origin = {
        x = 0,
        y = 0,
      },
    },
  },
  api    = 'opengl_es_2_0'
  shader = {
    true,
    fragment = true,
  },
  physic = true,
  sprite = {
    true,
    layers = many,
    limits = {
     false,
     screen = false,
     line   = false,
    },
    size   = {
      default  = {
        width  =  64,
        height =  64,
      },
      big      = {
        width  = 128,
        height = 128,
      },
    },
  },
  tile   = {
    true,
    layers = many,
    size = {
      default  = {
        width  = 128,
        height = 128,
      },
      big      = {
        width  = 256,
        height = 256,
      },
    },
  },
}