Considering purchasing a Tizan Smart Tv

Just an Intro as this is my first post. Name is John located in the UK Midlands.
I have been a user of the Firestick 4k so very familiar with sideloading etc but it seems the Smart tv is a different thing altogether. Read info saying that the Tizan newer version of the Smart TV doesnt have developer options and debugging available to download certain apps. Any help or follow up would be very help full in my decision.
Update brought an Android based Smart TV

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