{ "name": "21 Strategy Trainer", "short_name": "21 Strategy", "description": "Mobile blackjack basic strategy practice.", "start_url": "/", "scope": "/", "display": "standalone", "display_override": ["standalone", "fullscreen"], "background_color": "#073a28", "theme_color": "#073a28", "orientation": "portrait", "icons": [ { "src": "icon.svg", "sizes": "any", "type": "image/svg+xml", "purpose": "any maskable" } ] }