He probably get mad because when he bought Minecraft on the Nintendo switch he thought he was getting a java edition on the switch, but then he find out that you can only get java on the PC, and that bedrock edition is the Minecraft on the Nintendo switch. He get so mad that he want me to emulate java in switch which I Don’t know how to.
The bedrock version is Microsoft’s bastard. Tell him to not blame Mojang. Oh no… your lil bro got double fucked… What version is that switch, is it 2017? If so, you may be able to do the whole paper clip trick to jailbreak the thing.