I could see someone making a knockoff version of Gwent to sell on Google Play. In terms of the Red Engine code... the custom engine I'm familiar with was a nigh

I could see someone making a knockoff version of Gwent to sell on Google Play. In terms of the Red Engine code... the custom engine I'm familiar with was a nightmare in terms of the asset build pipeline and lack of documentation. If you're planning on ripping off a custom engine to bootstrap your game I would highly recommend just using Unity or UE.