...It was designed to quickly prepare screens for older iPhone sizes including the iPhone 4, 5, 6, and 6 Plus. Designers replace screenshot areas through Sketch Pattern Fills instead of rebuilding each layout manually. Preset low-poly backgrounds can be applied consistently across multiple screens. The document provides direct previews so designers can review the final composition before exporting. An included app icon template supports exporting multiple icon resolutions from one artboard. The repository also provides fourteen high-resolution wallpapers and links to related Sketch and Xcode learning material.