Jumping Boy Adventure

is a simple game for setting up a record.
Anyone can do it, and anyone can enjoy it.
We release with pleasure.
Everyone enjoy it!


Hi. I am a Korean developer and instructor.
My name is sang seon Lee.
If you want to contact us, please contact leemanrank@gmail.com.


Hi. Korean mobile developer Lee Sang Sun.
We launch apps in stores through our private projects in three years.

In addition to mobile development, we are learning and developing information security, web development, and IT planning.
Currently, Lee Chan-jin lectures as a programming instructor at the Kwangmyung Headquarters and Mokdong Central Branch of the IT Education Center.
We plan to steadily launch Reskin Project and other personal apps in the future.
Thank you for your interest and encouragement.

If you have any questions, please email us at leemanrank@gmail.com.

Thank you.