Started for fun — still building

bysulee

I design and ship mobile apps on the Store.

Apps

Apps live on Store or coming soon

  • Private testing

    Losa

    A mobile app for lottery number mixes and a light fortune reading.

    Play StoreComing soonONE storeComing soonTossComing soon
  • Live

    Round Block

    A timed tap game — hit each block before the timer runs out.

    Play StoreComing soonONE storeLiveTossComing soon

Notice

Updates from bysulee.

  • Round Block officially launched on ONE store

    • Round Block is officially released on ONE store — our very first mobile app launch!
    • ■ 2 Exciting Game Modes
    • 1. Touch Test Blocks: Tap the colored blocks before time runs out to build combos and test your reaction speed.
    • 2. Slide Test Blocks: Smoothly connect blocks along guide paths in an intuitive sliding puzzle action.
    • ■ Key Features
    • Global Multi-Language: Seamless one-click switch between Korean (KO) and English (EN) in Settings.
    • Reaction Speed & Combo Ranks: Saves your best combo, average speed, and timestamps securely on-device.
    • Elegant 3D Minimal Design: Eye-friendly pastel tones with modern 3D depth.
    • Original Sound & FX: Satisfying tap effects and engaging background music.
    • Daily Reminder: Set your preferred time to receive daily brain-refresh notifications.
  • Round Block private test update (Oct 7)

    • Improved navigation and accessibility for the top menu and help popup.
    • Optimized in-game menu visibility for better gameplay immersion.
    • Fine-tuned touch and slide controls with enhanced responsiveness.
    • System optimizations for a smoother, more stable gameplay experience.
  • Round Block private test update (Oct 6)

    • Added Slide Test Blocks.
    • Adjusted stability and when ads appear.
    • Other bug fixes and QA improvements.
  • Losa private test update (Oct 3 & 5)

    2026.10.03

    • A Losa splash screen appears when you open the app
    • Clearing app records in Settings returns you to the first-run guide
    • Interstitial ads may appear after viewing results a few times
    • First-time users see a short welcome notice
    • You’ll be prompted when a new version is required

    2026.10.05

    • Simple compatibility (match) was removed; Saju keeps Today’s fortune and My info
    • Interstitials start from the 2nd result, then about once every 3 results
    • The bottom banner stays fixed at the bottom on Lotto, Saju, and Settings
    • The bottom banner is hidden during the first-run notice
    • Clearer wording for resetting app records
    • Creator, site URL, and copyright are shown on separate lines
  • Round Block private test update (Oct 2–5)

    2026.10.02

    • Open to Home with a top menu and bottom tabs, and tap soft seven-color blocks
    • Touch Test Blocks is here.
      Hit blocks in time to build combo, and see the countdown too
    • Taps feel responsive with a star effect, and the next block appears right away
    • Press Start and the game begins after 3·2·1.
      If you miss, watch an ad to continue (twice) or go back to the start
    • Pick a game on Home, and use the tabs for Rank and Settings

    2026.10.03

    • The app is Round Block; the game is Touch Test Blocks.
      A splash screen also appears when you open the app
    • You can pause mid-game and resume after 3·2·1
    • Enter a nickname once, and each finished run is saved to ranks on this phone
    • You’ll hear BGM and tap sounds, plus cues for start, continue, and pause
    • More blocks and changing time as combo grows. Every 100 combo gets a stronger cue
    • Ads may show for continue, between runs, and on Home; first-run notice and alerts are available
    • Settings covers language, wipe data, alerts, ads, privacy, and help.
      There’s also a Coming soon slot

    2026.10.04

    • The UI follows your device language or Settings (Korean/English)
    • Bottom ads show on Home, Rank, and Settings, and hide while you’re tapping blocks
    • Tabs and the side menu respond more reliably.
      Links open in your browser
    • Turning on alerts asks for permission, and you can review ad choices in Settings

    2026.10.05

    • No ads during the first-run notice or nickname entry, and the notice text is easier to read
    • Home, Coming soon, Settings, tabs, and the menu each have their own sound
    • Game music is a little louder so it’s easier to hear while you play
    • Bottom ads stay visible before you start and after a run fully ends
  • Privacy Policy & Terms updates; app list cleanup

    • Aligned Privacy Policy / Terms with Losa (on-device data, UMP, 19+ guidance)
    • Stronger lottery/fortune disclaimers
    • Removed unreleased app listing cards
  • Site language support and privacy notice updates

    • Korean/English on the site
    • Auto language by country/browser
    • Privacy Policy and Terms updates
  • bysulee site update

    • Added Terms of Service and updated the Privacy Policy.
  • The site is open

    • This is bysulee’s personal page for shipped apps and updates.

About

I plan, build, and ship alone. I aim for light, intuitive mobile experiences on the Store.