• Losa has officially launched inside Toss (In-App).
• This service is only accessible to users with the Toss app installed.
• The launch link above redirects to https://toss.im on non-mobile devices, so please access it on a phone with Toss installed.

• Inspection for the Losa and Round Block apps has been completed.
• An app update is required. If the issue persists after updating, you can resolve it by "Deleting the installed app -> Reinstalling".

• We identified a splash screen freeze and app update issues in Losa and Round Block. We are currently fixing and rebuilding.

• Losa is officially released on ONE store!
• Losa generates custom filtered lottery combinations and provides authentic Saju fortune readings, daily horoscopes, and lucky tips — with zero signup required.
• Light, secure, and signup-free! Explore daily luck with smart lotto algorithms and classic Four Pillars of Destiny readings.
• ■ 1. Smart Lotto Number Generator
• Custom Filter Algorithms: Odd/even ratio, sum range, consecutive number limits, last-digit dispersion, and high/low balance.
• Flexible Generation: Instantly create 1 to 5 games at once.
• Realistic Ball Colors: Visuals matching official lotto ball colors (yellow, blue, red, grey, green).
• Direct Lottery Links: Quick access to official winning numbers and information.
• ■ 2. Traditional Saju & Daily Fortune
• Saju Analysis: Solar/Lunar birth date & time calculations for Five Elements, Ten Gods, and 10-year Daewun cycles.
• Daily Horoscope: Overall luck, wealth, relationships, health, and career/study predictions.
• Daily Lucky Tips: Recommended colors, lucky numbers, directions, and lucky food each day.
• Zodiac & Constellation: Personalized horoscopes based on your birth date.
• ■ 3. Convenience Features
• Morning Fortune Reminder: Local notifications at your preferred morning time.
• Display & Font Sizing: Dark/Light modes with 3 adjustable font sizes (Small/Normal/Large).
• Shareable Result Cards: Save and share Saju readings and lotto picks as clean card images.
• ■ 4. Privacy & Security
• Zero Server Storage: No login, no accounts, and no data transmitted to creator servers.
• On-Device Calculation: All birth and lotto inputs are calculated locally without persistent storage.
• ■ Disclaimer
• Lotto combinations and fortune readings are for entertainment only; results are not guaranteed.
• Independent, unofficial app not affiliated with Donghang Lottery. Recommended for ages 19+.

• 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.

• 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.

• Added Slide Test Blocks.
• Adjusted stability and when ads appear.
• Other bug fixes and QA improvements.

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

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

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

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

• Added Terms of Service and updated the Privacy Policy.

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