Do you want to turn your iPhone into a portable television? Well, You can turn your iPhone or iPad into a portable television by using an EyeTV app available in App Store. You will need to have a Wi-Fi or 3G connection in order to use this app.

EyeTV app allows you to watch live TV, 
browse the comprehensive program guide, playback your EyeTV recordings. You should configure your iPhone or iPad automatically for local network use
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EyeTV has been updated to version 1.2.1. This new updated version of EyeTV comes with new features, several minor cosmetic changes, and performance improvements. Streaming over 3G networks has been improved in this version.

Download EyeTV App for iTunes App Store

EyeTV is compatible with iPhone, iPod touch, and iPad running iOS version 3.1.2 or later. It is 4.3 MB of size. EyeTV is available worldwide exclusively through the App Store in the Entertainment category. This app costs $4.99 USD. You can download and get more information about EyeTV from here [iTunes Link]