A free app for Android, by Mobile Tools Shop.

TV Remote for Toshiba is a free application to control all types of TVs made by Toshiba, including all TVs with IR, which can be controlled by the Android operating system. You can use it without having to install any other hardware or setting up any kind of connection. 

How does it work?

The app sends a signal to the device you want to control and then the device will reply back with a signal of its own. You can then use the app to control the device.

Note:

This application is compatible with all devices that use the Android operating system. It is compatible with Android 4.4 or higher.