Portable Projector and cell phone projector are the market trend.
Will you be interested in their accessory like below?
With the patented Proprietary technology, the screen generates great image.

Advantages:
1.Lightweight, Compact size. Easy to carry.
2.It is Foldable and containable in a suitcase.
3.Match with a High-Gain Screen, making the color bright and beautiful
4.Could be folded in one second and expanded in five seconds. Convenience to use.
5.More details are available upon your request.

Features:
1.Portable, folding projection screen designed for micro projectors and mobile phone projectors
2.Small size, lightweight, foldable and portable
3.Only 190 mm in diameter when folded up - ultra-portable
4.Unique patent function for the fabric, auto-leveling wrinkles
5.Lightweight compact black bag can be conveniently included in the carry case
6.High-gain flexible fabric material, gain value for the image is up to 4.8x
7.Free-standing, no need to mount on a wall etc.
8.Diameter after unfolded: 508 mm
9.Length & width after unfolded: 406 x 305 mm