.tivo files are encrypted .mpg file using the Media Access Key. You need to decode it using TivoDecode, which KMTTG also uses. KMTTG also has an encode feature which comverts to iPad.
Series 2 (PLS, sold)
TiVo HD 1TB (157 HD Hrs, PLS, "652")
Roamio! Oh, wait, Its Juliet!
OTA! OTA! OTA!
The TiVo Apocalypse begins on Sat 2013 Feb 16 00:00 GMT!