Quick Look: CARTOON BLAST contains a limited library of just over 30 animated videos from the original Superman, Space Angel, and The Lone Ranger cartoons. Each series has roughly 10 random episodes available. Unlike the channel store description, the cartoons are not from the 70s and 80s - Superman is from the 1940s and Space Angel and The Lone Ranger are from the 1960s.
Below is one of the cartoons currently available on this channel.
-- Information is current as of May 27, 2020
Roku Channel Store Description: RETRO CLASSIC SATURDAY CARTOONS FROM THE 70S,80S
CHANNEL STORE CATEGORY: Kids & Family