Kayne Sheenan

Tokyo, Japan

Kayne
Sheenan

I build small, useful things for people in Japan.

have a look around
Aussie/Kiwi,
living in Tokyo

so far

  • 1,446followers on X
  • 252hacks on YenHacks
  • 1,450+ramen shops mapped
  • 42guides on Daruma
  • 1,189commits across these projects

the work

Things I've built

Some are live, one is still cooking, one didn't make it. Each one has its own page.

  1. no.1YenHacksmoney-saving hacks for Japan, each with a sourcelive!yenhacks.com (YenHacks)
  2. no.2Japan Ramen Guide1,450+ ramen shops, mappedlive!japanramenguide.com (Japan Ramen Guide)
  3. no.3Japan Lookoutwhat's changing for visitors to Japanlive!japanlookout.com (Japan Lookout)
  4. no.4Daruma Japan LifeJapan's paperwork, sortedlive!darumajapanlife.xyz (Daruma Japan Life)
  5. no.5Affarahrenting and buying in Tokyo and Chiba, in Englishlive!affarah.com (Affarah)
  6. no.6Sumian ink-drop puzzle gamebuilding...play it (Sumi)
  7. no.7Receipts POC108 commits since May 2026, snapping and sorting receiptsproof of concept
  8. no.8savethenreada read-later app, now retiredshut down

on the workbench

Half-baked, on purpose

  • MRR in ramen bowls your monthly revenue, as bowls of ramen
  • Sumi an ink-drop puzzle you play with one thumb
all the ideas
psst. next idea:
MRR in ramen bowls.
try the rough version.

lately

From the build log

  1. Oct 31Shipped a new design for YenHacks (sample)
  2. Oct 24New guides on Daruma Japan Life (sample)
  3. Oct 17Sumi prototype, round two (sample)
the whole log

say hi

Got an idea, a tip,
or a question?

@kaynesheenan

on X. I read everything.

or leave a note here