Star roadshow is a way to promote movies, which usually includes pre-screening in theaters, communicating with theater managers, media and audiences, promoting movie content and selling points, and seeking the support of theater managers for film arrangement. At the same time, it is also an opportunity for actors and production teams to interact and thank the audience.

In star roadshows, signatures are ok. Signature can be used as a way for stars to interact with fans, and it is also a means for stars to show their charm and narrow the distance with the audience. Therefore, stars can provide signatures for fans or viewers under appropriate circumstances.

However, it should be noted that the star's signature is not available in all cases. This needs to be determined according to the specific activity arrangement and process arrangement, and also needs to consider the actual situation on the spot, such as time and place. In addition, stars also need to abide by the basic etiquette and code of conduct when signing their names, so as not to bring discomfort or unnecessary trouble to fans or viewers.

To sum up, star roadshows can provide signatures, but in appropriate cases, they should abide by basic manners and behavior norms.