@JM257 There could be several reasons, e.g, the age, but if the TV is not older than 3 years (2018) there shouldn't be any problem, if you are in the Swiss App store. This you should check. In the german-speaking forum, it was already stated, that you can't find the App for example in the German App store, I suppose it is the same in other App stores (french, italian, british,...)
Here is a way how to change to country of the App store for Samsung TVs
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Press the Smart Hub button on the remote control
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When Smart Hub has loaded then press ", 2, 8, 9, " (fast forward, 2, 8, 9, rewind). Please note that the new F-series Samsung TVs have a different way of changing the app store. Please take a look at our other tutorial here. If you have a H-series check this tutorial.
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Under Internet service location, select the country you wish to use. Selecting either USA, Mexico, Brazil, Canada, UK, Finland, Norway, Sweden or Denmark will give you access to the most popular apps. You can only have apps from one region installed at any given time. In other words, you can't have American and British apps installed at the same time.
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Once you have selected the country you wish to use press Next
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Agree to Terms
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Update of Smart Hub will start
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Default apps for the region will be installed and old apps deleted