Adobe is the developer of the most popular graphics package, which has become a reference for programs that use images. Of course, the main focus is on desktop .p platforms, but even mobile devices cannot be forgotten by Adobe.
Not long ago, iOS device owners were able to test a new mobile version of the popular Adobe Photoshop Sketch app, and developers released a version for Android devices.
If you are not familiar with Adobe Photoshop Sketch, you can use this program to create sketches of drawings using various tools, pencils, paintbrushes and more. Then work in Adobe Photoshop CC or send it to Adobe Illustrator CC. Using layers.