Wdrożenie and other 85,000 icons from Icons8 icon pack follow the visual guidelines of the operating systems: Windows, iOS, Android KitKat, and Material. PNG format is free up to 100x100 px. Icons are availble for download in PNG and vector (SVG, PDF, EPS, and more).
A square with a very thin oval inside the center top part of it. Underneath the square after a small gap of space is a long oval with a curved ending on the left and three small circles spaced horizontally inside.