Instagram celebrates its 10th birthday this year. World’s first photo sharing app was launched on October 6th, 2010 named as Instagram.
To celebrate this Instagram adds a new secret menu. Few days ago Instagram tweets like this.
It shows how to access Instagram’s secret menu. You will be able to change your Instagram app icon by accessing the menu.
There are 13 app icons available include classic Polaroid style camera icon.
Other than that it have different color variations of current icon named as Twilight, Sunrise, Gold and pride.