No, it’s a way to “mix” your coins for forward privacy. You can do it easily on sparrow wallet (desktop only)
Discussion
Does it have to be a desktop?Do you install it or go directly on their website?
I believe you can from their website: https://sparrowwallet.com/
Then its a wallet!
No, coinjoin is a type of transaction. Sparrow has just implemented it
Why not just go directly https://walletexplorer.com to check Bitcoin transactions?