Save Instead of Lotto — What the Same Money Would Be Worth
Put weekly lottery spending next to the same amount in a savings account, with your own rate, and check your numbers against every real Korean draw
Fadongkwon Soft
Fadongkwon Soft
A solo developer building small apps after work — and writing down what the process actually taught me.
Searching Backwards for the Birth Charts and Plates That Made Last Week's Lotto Numbers
Two of our lottery number apps now look backwards. Every week a job searches for the birth charts and license plates whose generated numbers exactly match the real winning six. The two apps behave ...
Name Lotto — Numbers From the Five Elements in Your Name
A Korean name is broken into its consonants and vowels, read as the five elements, and the dominant element decides which number band the picks lean on
Star Sign Lotto — Numbers From Your Zodiac
Your birth date finds your star sign, and its lucky numbers go into every pick, marked on the balls so you can see where they came from
Car Number Lotto — Numbers From Your Plate
Your licence plate becomes the seed for Korean Lotto 6/45 and Pension Lottery 720+ picks, with an every-past-draw replay that scores how the method would have done
Daily Money Quiz — One Question a Day
Deposits, loans, taxes and pensions across ten topics, one question a day, with plain-language explanations and a wrong-answer notebook
Daily Korean History — One Question a Day
Ten eras from prehistory to the present, one question a day, with an explanation for every answer, a wrong-answer notebook and per-era accuracy
My Ad Account Was Suspended 29 Days for Invalid Traffic — The Culprit Was My Own Dev Phone
On August 26 my ad publisher account was suspended for 29 days over invalid traffic, with no appeal available. Auditing every codebase turned up a cause that was not malicious clicking but builds c...
Apps in Toss Is Changing How Mini Apps Get Found — Notes From the PO Webinar
On 21 September three Apps in Toss product owners spent ninety minutes on what is changing. A quality sweep of every non-game mini app, the end of promotional push, why ad rates fell, and a three-t...
Sequence Memory — Watch the Lights, Repeat the Order
Four, six or nine pads, one more step every round, a shared Daily Sequence with streaks and TOP 10 rounds per mode, now on Google Play and Apps in Toss