window dressing

/W IH1 N D OW0 D R EH1 S IH0 NG/
noun
  1. 1

    The decorative display of retail merchandise in store windows; the goods and trimmings used in such a display.

  2. 2

    The process, skill or task of creating such a display.

  3. 3

    A means of creating a deceptively favourable impression of something or someone; something for appearance only.

    โ€œThese latest modifications are mere window dressing; the same problems remain.โ€

Source: https://en.wiktionary.org/wiki/window%20dressing