Kelpie's are a ERC20 compatible cryptocurrency based on the ethereum mainnet network, You can buy and sell kelpies through the 'Kelpie Wallet' app available from Google Play Store (https://play.google.com/store/apps/details?id=com.kelpiewallet&hl=en). The Kelpie Wallet app will allow you to create cards which are stored in your wallet, each card is linked to the ethereum account of your kelpie. A card can then be used to buy and sell kelpie using ethereum simply by pressing either a buy or sell button, or transfer your kelpie between cards by simply dragging and dropping the card, cards added via QR code scans can only have kelpie transfered to them. Gold and platinum cards are used for high value kelpie accounts. The Kelpie Wallet requires android OS 8+