They are now focussed as a software company now so. In the olden days we used to see games like 'Out Run' being ported not only to the Sega Master System, Game Gear, Megadrive, Saturn & Dreamcast (In Shenmue 2) but also on the Speccy, Amstrad, C64, Amiga & I think, IBM PC compatables (I think).
These ports weren't done by Sega themselves, but being licensed to third party software developers. And some ports were total crap - Out Run done by US Gold is almost totally unplayable. Altered Beast by Activision was better, but still not that good. I mostly like the Super Hang-On Amiga version, which was done by Electric Dreams and they didn't ruined it. Out Run Europe is good too and there are many more Amiga ports of Sega games, some of them are good some not.
But currently the situation isn't the same as it used to be back in the late 80ties/early 90ties. I see only Hyperion are licensing games from other platforms and they are only PC games.
There is always fun seeing your favourite game on different platforms, having own spirit/features with every other version, and a basis for comparing your preferable machine to the others.