This app enables you to remotely control your Toshiba tv from your smartphone.
This is not the official Toshiba app, however, with this remote control app, you are capable of control it.

You can choose from a diversity of remotes within our app, so you can use it on any device.

The app was developed to help you use your Toshiba smart tv device even if you can't find your remote control, but the app requires your smartphone to have an IR sensor.