Explained in the messages with the seller -- the picture is blurred despite using all the available adjustments.
This is the non-Andoid model; the keystone there is not usable -- a geometry correction makes the image blurry. It is sharp only in the very centre of the screen -- I suppose the lenses are miscalculated which makes the keystone not useful.
package arrived last friday. Today I tested the beamer and had no good image. Whatever I do, image was blurred. (see picture attached) Request another one. Package was send very quick = Positive
Projector does not work. Image is continue flexibel. Please procedure for return and to send me One witch works pepermunt. Thx