The best alternatives to Delta Emulator are OpenEmu, macintosh.js, and Afterplay. If these 3 options don't work for you, we've listed a few more alternatives below.
I put an entire Macintosh Quadra with Mac OS 8.1 into an Electron app, together with a bunch of apps and games. It runs on... JavaScript. This is a toy, but you can transfer files in and out, mount disk images,...
Afterplay is a browser-based emulation platform. You can play your retro games on any of your devices and continue from where you left off with synced saves. No jailbreak or side loading is required as it is a ...