1) Grab your Keystone device.
Tap the "Menu" icon > Select [Software Wallet] > Select [Keplr] > Tap [Confirm] > Tap the [...] icon > Select [Connect Software Wallet] and a QR code will appear.
2) Use your Keplr app to scan the QR code listed on the Keystone device
Congratulations! Your Keystone hardware wallet is now successfully imported to Keplr.
III. Sending ATOM with your Keystone Hardware Wallet
Open your Keplr app > Click the Send button and input the recipient’s Account ID and the amount you would like to send him/her. Tap [Send] > Tap [Approve].
2. With your Keystone device in hand, tap the [-] icon to scan the QR code displayed on the Keplr app. Double-check the transaction and tap [Sign] to proceed > Enter your password after signing the transaction and tap [Confirm]. A QR code will then appear on your Keystone hardware wallet.
3. On the Keplr app: Click the [Get Signature] button and scan the QR code shown on your Keystone hardware wallet with your Keplr app.
Congratulations! The transaction is now successfully broadcast to the network.