function consoleHeader(app) {
	let renderType = app.renderer.type;
	let gpu_renderer =
		typeof app.renderer.GPURenderer === "string"
			? " (" + app.renderer.GPURenderer + ")"
			: "";
	let depthTesting =
		renderType.includes("WebGL") && app.renderer.depthTest === "z-buffer"
			? "Depth Test | "
			: "";
	let audioType = device.hasWebAudio ? "Web Audio" : "HTML5 Audio";

	// output video information in the console
	console.log(
		renderType +
			" renderer" +
			gpu_renderer +
			" | " +
			depthTesting +
			audioType +
			" | " +
			"pixel ratio " +
			device.devicePixelRatio +
			" | " +
			(device.platform.nodeJS
				? "node.js"
				: device.platform.isMobile
					? "mobile"
					: "desktop") +
			" | " +
			device.getScreenOrientation() +
			" | " +
			device.language,
	);

	console.log(
		"resolution: " +
			"requested " +
			app.settings.width +
			"x" +
			app.settings.height +
			", got " +
			app.renderer.width +
			"x" +
			app.renderer.height,
	);
}
display information
@param {Application} app - the game application instance calling this function