1. First Purple Coin
Continue moving forwad and jump on the row of bricks where there are several Pokeys. The First Purple Coin is resting in between two Gold Coins.
2. Second Purple Coin
As you move to the next bridge, hop on the Pause button and allow the sliding turtle shell to get the second Purple Coin. A Pokey riding on a moving platform will be seen too.
3. Third Purple Coin
Get inside the cannon and tap to eject once the cannon is facing the third Purple Coin.
4. Fourth Purple Coin
On one edge of the platform, hit the P Switch in order to reveal the Blue Coins. Continue jumping to try and get all the Blue Coins, the fourth Purple Coin will be part of the Blue Coins. There will also be a Pokey underneath the fourth Purple Coin.
5. Fifth Purple Coin
Upon seeing several rows of bridges, take the lowest level of bridge to get the fifth Purple Coin.