I think treading into too many waters will eventually kill what GOG stands for, or at least the remnants of what it once stood for. Books? Sure, it may bring book enthusiasts, but their demands may not be in harmony with the demands of gamers, and you can't really make your user base upset if you ventured into that business. Music? It is heavily outgunned by pretty much every phone company that has their own store and every online music streaming service. Software? Maybe, but then again this would bring new demands that are not quite on par with the demands of gamers. And let's not forget how elitist certain individuals whom dabble with software can be. I tend to believe there are more than enough extreme individuals on the forums as it is, sometimes being one myself. :P Mobile games? This one is the most likely, but there's a catch to this. I do not think it is beneficial for us, the current user base, if GOG enters that market. We should know my know that Mobile gaming is huge. Annoyingly casual, but huge. That would definitely kill whatever GOG stands for. However, I have another thing in mind:

I do not own an iOS or Android phone, but I always wanted to enjoy what little great Mobile games are there on PC, especially RPGs. I have found out about Android emulators on PC that could play these games, but these are not exactly legal. Wouldn't it be smarter for GOG to become a distributor of Mobile games on PC? Games ranging from the brick cell phone era to the N-Gage ad eventually the smart phone. I believe this has great potential. Humble Store already sells mobile games through their website, but unless they were specifically developed for PC as well they do not innately work on PC. Thus I reason being a distributor of such games, while at the same time being of utmost importance in preserving the history and heritage of video games can be extremely beneficial to GOG.

Why not? I like buying DRM-free(?) Android games from HumbleBundle, so it would be the same for GOG. Sometimes HB offers both the PC and Android versions of a game for the same price, while GOG offers only the PC version. (Lately though HB Android bundles seem to have become more and more mobile-only, as far as I can tell.)

What isn't legal? The Android emulator itself? If GOG (or HB) sells Android games DRM-free, those could be run with such emulators. A bit like Linux users have run GOG Windows games in Wine for ages, or Mac users use Boxer or whatever it is.

Then again, if I am on a PC, I prefer playing PC games. Not sure how many mobile-only must-haves there are, the Android games I like the most usually seem to have a PC version too, many times even being ports or remakes of older PC games.

I'd probably go as far as soundtracks for the games that are here. Expanding into too many territories doesn't seem like a great idea and the focus should still be on bringing more AAA titles to GOG. Maybe once that's comfortably achieved, then start expanding some.

You have said it yourself why not. If the focus shifts to mobile only games, or just mobile games in general, other ventures might get hurt.

It's not the emulator itself that is illegal, but pirating the games which are unavailable to buy on PC. I am not really aware of how to get an Android game installed on PC from let's say Google store. I go to Google Play and it tells me I need an Android enabled device. Yes, I may be able to transfer game files from my phone to PC, but do I really want to go through that hassle to play a game?

HB is still selling also PC games. It is just that lately it seems they've had less of bundles where you get both the PC and Android version of the same game _without extra fee_, which was what I was talking about. Not that they would have e.g. stopped selling the PC versions.

For instance, when I got Anomaly Warzone Earth (or other Anomaly games) in HB bundles, I received both the PC and Android versions, which was nice. On GOG I get only the PC version.

That's what the DRM-free Android games are for. HumbleBundle doesn't sell GooglePlay games, but you download your Android games from them as .apk files, which are installers. You don't need GooglePlay to install nor play them. Basically they are like GOG DRM-free games for PC, you run them and they get installed on the device. On Android device settings, you must change the options to allow installation of software from third-party sources (which basically means, from outside the GooglePlay store).

You can just as well download or transfer those same .apk files to your PC, there aren't any such arbitrary restrictions where and how you can keep or use them. Hence, DRM-free. I presume you can use them easily with any Android emulators, if such things exist. I already have all my Android games (.apk installers) bought from HB on my PC hard drive, as I have far more free room there to keep them, than on my Android tablet or phone memory card (I have a 32GB SD card, and my HB Android .apk installers already go well beyond that in size combined).

Albeit, it is questionable if some of those HB .apk files are fully DRM-free, as a few of them download more game data after the installation. I haven't tested if they can be transferred and played on other devices after those downloads, or if the extra download is needed each time you install the game.

E.g., I think all the Android games in the current "Humble Artifex Mundi Mobile Bundle" are like that, as the games state the installation size varies between devices, anything between 300MB => 1.1GB (meaning probably that the game downloads relevant game data after you have installed the .apk. So the .apk is more like a downloader than an installer.).

I might buy some music DRM-free & lossless FLAC. There's no such store as far as I know, with a good selection anyway.

But I think GOG should just mainly focus on games right now. They have their hands full with Galaxy & website glitches and stuff :)

Interesting. I may look more in depth in this business with Humble Store. If the games are easily emulated, I may go ahead and purchase some that interest me and if they are available. But this begs the question whether after installation the downloaded data will also be emulated. I'm not exactly literate in the ways of software and its utility.