Adobe updated its Photoshop Touch app today, optimizing things for the new iPad mini. It also adds a host of other improvements, including:

· Added support for three pressure-sensitive styli for iPad: Pogo Connect, Jot Touch and JaJa
· New ways to share completed projects to Facebook and Twitter directly from the app
· Added effects including Lens Flare and Stamp Pattern
· New performance and workflow enhancement including smoother brush strokes and new color selection workflow

source: Adobe Blog