Thats are ERC20 tokens, so you can store them in every Ethereum wallet - even here
https://www.myetherwallet.com/MyTV is not traded yet. IEO was postponed and (unofficialy) will take place in December 2019.
IEO and later listing will be on Liquid, LEX Exchange and one more still not announced. Trading after IEO will be also on Latoken.
About trading 4ART - exchange still is not announced.
so you have the MyTV tokens in your own ETH wallet ? please can you post the address so I can confirm - not worried about the 4ART bit at the moment, im trying to value the TV things with the man eater as president and the police line up as the team on the website.