Dai Senryaku Portable (Import)

Screenshots:

Background:
You play as the leader of a group called Wild Kids and command your troops in battle on a variety of battle fields

Gameplay:
A grid-based strategy, 3D cut-ins for attack sequences and separate production/movement phases during battle. During the game's planning phase, you're able to manufacture up to five units at one time. You can move your units in and out of battle freely, although in order to storm a city, you have to make use of ground troops.