# Oscar Mobile App (Android)

**Oscarswap is the world’s simplest interface to invest in DeFi — learn how to do so on the go with our Android apps**

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If you’re completely new to DeFi, you may want to check out our tutorial on: [A beginner's guide to the next-generation layer 2 for Ethereum](https://cointelegraph.com/learn/arbitrum-the-next-generation-layer-2-for-ethereum). In this article, we discuss what is Arbitrum, Transactions on Ethereum are implemented and executed via smart contracts, and a fee is required to reward the network participants that store such programmable contracts on their machines.&#x20;

**Step 1:** Download the Oscarswap app for [Android](https://play.google.com/store/apps/details?id=com.oscarswap)

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**Step 2:** Connect your metamask wallet. For Web wallet, you’ll need to scan the QR code that can be found under “QR code” on the web interface.

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**Step3:** You can now explore oscarswap features like Swap assets on arbitrum chain, Crosschain bridge, though staking and farming will be release in our next release.

**Step 4:** Use the Oscarswap mobile app to get familiar with DeFi: track the performance of other crypto assets on arbitrum, view your complete transaction history and check out the Explore tab to see trending liquidity pools, the best DeFi rates, and more!

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