One of the tactics of the Japanese chess, is an app that summarizes the opening book of the lateral step up.

Horizontal step up is one of the tactics of shogi, it refers to a set of Senkei that first move to early early to take next step.
Become a fierce multicolorfin rainbowfish the flight angle Katsura from the early flurry, is the tactics that tensions one hand one hand is directly linked to the victory or defeat.

We were allowed to book the following reference is for each procedure.
Eiji Iijima seven-stage al., "All of the lateral step-up ultra-multicolorfin rainbowfish"
· Masayuki Toshima seven-stage al., "Opening book study of Masayuki Toshima"
Murata AkiraHiroshi Godan al., "All modern horizontal step up."

This app is can also be used offline.