How can I buy and sell Lykke coins with my iOS device?

You can buy LKK with the assets that you previously deposited to your trading wallet. How you do it is entirely up to you.

From the My Lykke tab, follow these steps:

1. Select the My Lykke tab.
2. Tap the Buy Lykke Equity button.
3. Tap a deposited asset to trade.
4. Tap Buy LKK. The header of the trading screen shows the available balance of the selected asset.

iOS     

From the Wallets tab, follow these steps:

1. Select the Wallets tab.
2. Select Trading Wallet.
3. Do one of the following:
• Tap LKK, and select Buy under Trading.
• Swipe from left to right, and tap Buy (only for iOS).

From the Trading tab, follow these steps:

1. Select the Trading tab.
2. Tap Watch List.
3. Select All Assets, and pick the desired pair (LKK/XXX).
4. Tap the line.
5. Tap the Buy button to buy LKK with XXX.
6. Enter the amount of BTC that you would like to buy.
7. Tap Submit.
8. Confirm the transaction.

Please review the following link: How can I buy and sell assets using my iOS device?