According to the Apple blurb: "Granimator™ offers an exquisite collection of design packs that give users many choices of styles, shapes and backgrounds which they can tap, pinch and drag across the screen –creating stunning compositions and soundscapes."
ustwo™ has just released a series of striking new packs for the free iPad app.
The equally free Apple Store event starts at 7pm. The Apple Store is located at 235 Regent Street, London, W1B 2EL, 020 7153 9000. The nearest tube station is Oxford Circus.
A detailed Macworld profile of ustwo™ can be found here.