There are several bands called Screen.

Screen (1) 1 is an unidentified band responsible for most of the last.fm top tracks on these artist pages.

Screen (2) is a Swedish synthpop act, started as schkoum in 1992 but they had a name change around 1997. Patrik Örnkloo-Lidström, Johan Burman, Jörgen Strömbro and Daniel Viklund are members of both bands.
They appeared on a couple of collections from Memento Materia among other labels in the early 90s but also released two demo tapes as Schkoum that are circulating on the internet without titles..
Detailed information about the demos have been hard to find but atleast 20 tracks have been released as Schkoum and propably rereleased and played live by Screen (2).

Schkroum's Demo 1 has nine unidentified tracks and Demo 2 has eleven.
Known tracks from playlists and compilations are I should have learned, Sviter av ditt svek, Faithful, Away and let me die (1994).