[xnzakg]

I would bet that instead of python it's JavaScript and a webapp pretending to be a native application.

[treyd]

If it's an LG TV this is literally true. They bought webOS specifically for this purpose. Meanwhile Roku invented a runtime/language (BrightScript) and mandated its use to at least enforce a minimum quality standard and throw away cruft.

[pjmlp]

WebOS supports Qt as well.