Metamask is a Google Extension wallet that can be used for your Ethereum and Hex. It can be found on the Chrome Web Store
If your transactions are not going through, try resetting Metamask to clear out your queue.
Click Settings Click Advanced settings, and then reset
After resetting, try raising the gas on a new transaction
Click on the video below if you would like to watch a walk through for setting up a MetaMask wallet that can be used for multiple tokens including Hex.