I think you need to focus more on reviews and choose a broker that has been out for a while already. Beware with new brokers, they will lure you with great offers. But the next thing you know, they’re gone. 
hello
Here is a list of broker you are interested, you can start with a small deposit Trade from $ 5, it also offers the traidng by iphone and other smarphone, offers demo account at the same time learning, best forex broker .
Not sure that smarthopne can be used as full-fledged trading platform. I use my Hotforex Iphone App only to check my trades where I am away from my PC station. I earnestly advice to open trades only on PC platform…