iStockManager gives you access to your TD AMERITRADE account and is available for the 8900, Storm, Bold, 8300 Curve and 88000 series. With this app, you can access your account and check the market as well as place trades (equity & options trading). You can also access streaming data, real time balances and positions, news and more.
Download the latest version for free here.
Let me know what you think!
[Ed Note: Thanks for the link correction!]