| Kannou Mukashi-banashi Portable | JP | 2012-01-19 |
Idea Factory | Commercial |
| Kidou Senshi Gundam - Mokuba no Kiseki | JP | 2012-01-26 |
Bandai Namco Games | Commercial |
| Kirameki School Life SP - The Wonder Years | JP | 2012-02 |
Bandai Namco Entertainment | Commercial |
| King of Pool | JP | 2012-02-23 |
Nordcurrent | Commercial |
| Kurohyou 2 - Ryu ga Gotoku Ashura Hen | JP | 2012-03 |
Sega | Commercial |
| Kamisama to Koi Gokoro | JP | 2012-05-31 |
Takuyo | Commercial |
| Kenka Banchou Bros. Tokyo Battle Royale | JP | 2012-06 |
| Commercial |
| Kimikare - Shingakki | JP | 2012-07-19 |
Idea Factory | Commercial |
| Kono Bushitsu wa Kitaku Shinai Bu ga Senkyo Shimashita. Portable - Gakuen Summer Wars-hen | JP | 2012-08-02 |
BOOST ON | Commercial |
| Kuroko no Basuke - Kiseke no Shiai | JP | 2012-08-09 |
Bandai Namco Games | Commercial |
| Kidou Senshi Gundam AGE - Cosmic Drive | JP | 2012-08-30 |
Bandai Namco Games | Commercial |
| Kidou Senshi Gundam AGE - Universe Accel | JP | 2012-08-30 |
Bandai Namco Games | Commercial |
| Koi Sentai - Love and Peace the P.S.P. - Power Zenkai! Special Youso Tenkomori de Portable-ka Daisakusen de aru! | JP | 2012-08-30 |
Broccoli | Commercial |
| Koi to Senkyo to Chocolate Portable | JP | 2012-09-27 |
Kadokawa | Commercial |
| Kono Bushitsu wa Kitaku Shinai Bu ga Senkyo Shimashita. Portable - Gakuen Dog Ear Hen | JP | 2012-10-25 |
BOOST ON | Commercial |
| Kamen Rider - Super Climax Heroes | JP | 2012-11 |
Bandai Namco Games | Commercial |
| Kano-Yan - Kanojo ga Yanjattara Dousuru no | JP | 2012-11-01 |
System Prisma | Commercial |
| Kokoro Connect - Yochi Random | JP | 2012-11-22 |
Bandai Namco Games | Commercial |
| Kimi ga Aruji de Shitsuji ga Ore de - Otsukae Nikki Portable | JP | 2012-11-29 |
Minato Station | Commercial |
| Koi wa Rule ni Shibararenai! | JP | 2012-11-29 |
Kadokawa | Commercial |