The Self-Healing Smartphones!

Astonishingly thin at 5.2mm, but thinness stopped mattering once durability problems hit the industry.

Had some good ideas, but the dual screen solved no real problem and the phone was too expensive.

He admires the e-ink vision, but Android's power draw meant the battery benefit was far smaller than claimed.

A rare Project Tango phone that was overtaken when Google's ARCore made the extra sensors unnecessary.

Curved design and self-healing back were interesting ideas, but the healing was underwhelming in his scratch test.

Smaller, subtler and with noticeably better self-healing than the original, though still imperfect.