Seamless
cross-platform experience design.
Hi, I'm Bang. I bridge mobile and web to build cohesive products—from UI to user flows. I focus on scalable architecture, reliable performance, and smooth interactions.
✎Try the scrapbook version — warm paper, handwritten, no template→Selected Works
HOLDLINE — One tap. Hold your nerve.
A one-tap reflex puzzle about knowing when not to tap — every TICK flips a switch and burns energy.
Lumo — One calm puzzle a day
A daily numberlink puzzle — connect matching dots, fill the grid, keep your streak. Offline, no account, no pressure.
NookKeep — Shoot & Forget. Remember Every Nook.
An offline-first digital vault for iOS & Android — snap a photo, type a location in 2 seconds, and find your key items instantly with local AES-256 encryption.
Ziplings — Merge & Unzip: Cozy drop-merge puzzle with a twist
An offline-first, single-player cozy mobile drop-merge puzzle for iOS & Android — Drop round fuzzy creatures, merge through 11 tiers from cute to cursed, and tap the zipper to unzip and clear bin space.
ChessMentor – Learn Chess with Vietnamese AI Coach
A free forever chess learning app designed for Vietnamese children. 3-minute micro-puzzles, offline play, AI Coach explains in Vietnamese.
MacSweep Guard – Safe Mac Cleanup
Scans redundant user-space data, lets you preview before cleanup, and protects every action with Safe-Trash for easy rollback.