October 10, 2026 ยท Build log

How we build a prototype in a day

Every prototype in the Playground follows the same rules. They keep the work small enough to finish, and safe enough to share.

  • One HTML file. No servers, no accounts, no installs.
  • Phone first. Designed and tested at a 390-pixel-wide screen before anything else.
  • Data stays on the device. Nothing you type leaves your phone.
  • Real content. Malaysian prices, names and food, not "Lorem ipsum".
  • One job. If it needs a second screen to explain, it is two prototypes.

Then it goes up in the Playground as “Private” while we test it, moves to “Testing” for a few people with the link, and is “Launched” when it is ready for everyone.

If a prototype gets votes and twists in the idea brain, it earns a proper build.

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