Yes, animation can be created on a phone using various mobile apps designed for animation and drawing.
Detailed answer: Many mobile apps, such as Procreate, Adobe Animate, FlipaClip, and RoughAnimator, offer powerful tools and features that allow users to create animations directly on their smartphones or tablets. These apps provide drawing tools, layers, frame-by-frame animation capabilities, and even support for exporting in various formats. While professional-grade animation may still require more robust desktop software, mobile devices are increasingly capable of supporting high-quality animation production, making it accessible to a wider audience of artists and enthusiasts.