Photoshop Touch includes many features that Photoshop users will be familiar with, including the capability to adjust the opacity of a layer. Photoshop Touch supports layers and layer blend modes.The brush panel on the left and minimal design tools on the right leave a large digital canvas on which to paint. Photoshop Sketch features a gorgeous interface that is clean and simply laid out like other Adobe products. This is a tried and true drawing application. Adobe Photoshop Sketch A colorful drawing done on iPad in Adobe Photoshop Sketch.