My 2 year old LG TV isn't receiving updates to the webOS anymore, and there are some apps for their store which aren't available for older OSes. I don't know ho

My 2 year old LG TV isn't receiving updates to the webOS anymore, and there are some apps for their store which aren't available for older OSes. I don't know how long I can keep buying 'other devices' like Chromecast/Roku to get around the problem.