RPG Tsukuru Advance or RPG Maker Advance is the Game Boy Advance version of RPG Maker. It was never officially released outside of Japan, and so I had to click through a lot of Japanese menus, pre studying the language a bit.
Needless to say, I was just confused as fluff. But with trying around for a while, I kinda got to the point, where I understood what did what.
Still, I felt it was very limited in what it allowed to do. However, I liked its art style. It's way better than the current RPG-Maker's chibi art style. Still a pretty weak installment in the series.