Mobile phone Transformers may be coming

Japanese mobile carrier "au" has announced
"au×TRANSFORMERS PROJECT"
which enables their "Inforbar" (a feature phone from 2003)
transform into... well, Transformers.

Here's a promo video:
https://youtu.be/JTGe07faXiI

and "how does it transforms?" by Takara Tommy:
https://youtu.be/hh0lvgmEyio