Adjective - Neat, upbeat, if it's a sound, it "has a ring to it", etc.

Synonyms: Cool

Either the COVID-19 pandemic or ¨Happy¨ by Pharrel Williams.

something that almost no one can help liking. For example, a song by a singer/group that one may not like in particular.

"Sports Friend" is what a Catchie is, basically. Also could be another word for a friend who's not really your friend.

A game played between two walls which utilizes a bouncy ball. The game is to see how many bounces you can get brtween the walls , from one throw before it touches the floor.

weau naou naou dau deu neu

use english please:
sure, no problem.

A catchy jingle is a short song in an advertisement that will help the consumer to remember the name of a company, web address, phone number or any other information. Companies who are currently using them include Stanly Steamer, 1-800-Mattres, freecreditreport.com...

In advertising propaganda, this falls under "repetitive advertising", because after the consumer hears it a few times, they generally memorize it.