Ohh! The dump has been made, for sure! "2579 - Super Robot Taisen Original Generation 2 (U)"
Thus, there must be a release somewhere... This is info is taken from KAD network and I'm unable to download the original... So, maybe someone with better searching abilities can find it, eh? ... *sigh*
Title........: Super Robot Taisen: Original Generation 2
Country......: USA
Language...: English
Release Date.: 16.Nov.2006 (it was supposed to be 14th :\)
Store Date.: dunno
Platform.....: Game Boy Advance
Filename...: ind-srt2.gba
Size.........: 128 Mbits
Supplier...: W.E.B