IS there any way to get a reasonable IPTV app working on Tizen without having to cast it from another device?

Apps supported by Tizen

I’ve read countless of posts and checked dozens of apps supported by Tizen, and I must say all of them look like sh*t. The only one everybody recommends is IPTV Smarters Pro, but I can’t add a single playlist (which works on other apps) as it always errors with “Authorization failed for above host”.

Is there something I’m missing here? Any good app I could use? Or how to fix SmartersPro?

Setting up a bootable USB

Apparently KodiBuntu is discontinued and Kodi can’t be set up on USB anymore for my smartTV to read. Is there any good alternative to KodiBuntu?

Other options

I’m setting this up for several family members, so investing into Firesticks and other additional equipment is out of the equation for the time being… at least if it can be done any other way. If it can be booted directly via USB that would be great.

Casting is also not an option, some of them are not technical and it doesn’t seem practical to do this every time you want to watch TV.

Any other suggestions on what to do?