To carry out the transactions on the Skydrome testnet, you need Sepolia ETH tokens. You can obtain Sepolia test Ethereum tokens for the Skydrome test network from the official faucet as well as a few other independent faucets. Although Sepolia test ETH tokens do not possess any value and only meant for testing applications.
Basically you need 2 steps:

1. Get Sepolia Ethereum
2. Bridge Sepolia Ethereum to Scroll Sepolia

(1 ) Adding Sepolia to MetaMask

If you new to sepolia you can start by adding Sepolia to metamask. In order to connect to the Sepolia Network using MetaMask, you must include the network within your MetaMask account.
Step1: Click on top left corner to add network and the click on “Show testnet networks”
Step2: Then Click on “Sepolia” and its done. You successfully added Sepolia to your metamask.

(1) How to get Sepolia ETH

Option 1: Claim Sepolia ETH on the QuickNode Sepolia Faucet
QuickNode offers 0.05 Sepolia ETH daily, and you can double this by tweeting about your claim.
To get Sepolia ETH from QuickNode:
Step 1: Visit https://faucet.quicknode.com/drip

Step 2: Select Ethereum from the chain options and Sepolia from the network options and click Continue.

Input the URL of your Tweet (if you’ve posted one) to claim a 2x bonus, or alternatively, you can skip this step and receive 0.05 Sepolia ETH.
Note: To utilize the QuickNode faucet for EVM testnets, it is necessary to have a minimum of 0.001 ETH in your Ethereum Mainnet wallet.

(1) Option 2: Sepolia Pow Faucet

The Sepolia PoW Faucet operates as an Ethereum faucet designed for use on the Sepolia Testnet. To safeguard against potential abuse by malicious users seeking to deplete resources or amass excessive ETH for spam attacks, the faucet mandates the completion of mining tasks in return for Sepolia ETH.
Step 1: Visit https://sepolia-faucet.pk910.de/
Enter your ETH address and click on “Start Mining”
You can collect mining rewards as Sepolia ETH (SepETH). Afterward, click on the "Stop Mining & Claim Rewards" button. Please be aware that you must accumulate at least 0.05 Sepolia ETH to be eligible for claiming rewards.

(1) Option 3: RockX’s Sepolia Faucet

RockX provides digital staking solutions for various cryptocurrencies and additionally offers a Sepolia faucet.
Step 1: Visit https://access.rockx.com/faucet-sepolia
Step 2: Sign up and claim Sepolia
Besides these two options , there are other faucets that offer Sepolia ETH such as Alchemy, Infura etc.

(1) Claim Sepolia ETH on Alchemy

Step1: create an Alchemy account to request Sepolia ETH.
Step2: Visit the Alchemy Sepolia faucet and log in with your Alchemy account.
Step3: Enter your wallet in the provided box, verify and click Send Me ETH.
Now, you are all set to go to Skydrome and test out The Central Trading & Liquidity Marketplace on Scroll.

(2) Now you nee to Bridge that ETH Sepolia to Scroll Sepolia

Once you claim ETH Sepolia from faucets you need to bridge it to Scroll Sepolia using Scroll Bridge in order to interact with app.skydrome.finance.
Step 1: Visit https://scroll.io/bridge and connect wallet !!
Step 2: Enter the amount you wish to bridge, click on “Deposit Funds” and confirm the transaction.
And that’s it!!