Repacks are executable files (APKs). When you install a repack, you are trusting the anonymous uploader that they only changed the art app and didn't inject a trojan, spyware, or keylogger. Because SketchBook requests permissions to access your storage (to save your drawings), a compromised version could theoretically scan your device for personal files, passwords, or banking information.
: It was designed for Android 4.0.3 and above. Risks of "Repack" Downloads autodesk sketchbook old version 41 5 download repack
Version 4.1.5 represents a specific pivot point in the app's history. For many Android users, versions in the 4.x series are remembered for a few key distinct advantages over later iterations: Repacks are executable files (APKs)