{
  "name": "Tetris",
  "short_name": "Tetris",
  "start_url": ".",
  "display": "fullscreen",
  "background_color" : "#c4cfa1" ,
  "description": "Tetris",
  "orientation": "portrait-primary",
  "icons": [{
    "src": "icon48.png",
    "sizes": "48x48",
    "type": "image/png"
  }, {
    "src": "icon72.png",
    "sizes": "72x72",
    "type": "image/png"
  }, {
    "src": "icon96.png",
    "sizes": "96x96",
    "type": "image/png"
  }, {
    "src": "icon144.png",
    "sizes": "144x144",
    "type": "image/png"
  }]
}