I have some sugestions for FBS:
1- I would like to create in FBS strategies that use the relative movement of two currency pairs or more (pair trading).
2- I would like to create in FBS strategies whose entries and exities are performed based on a sequence of logical conditions that succeed each other over time. For example, if the indicator I1 == i1 at a given time t1 and subsequently at a unknown time t2 the indicator I2 == i2, then go long. Classic strategies have this structure, but neither in FBS nor EAS can create this kind of model.