What is best for promoting my android app ? Facebook ad or google ad ?

[george.weballey13]

I want to spend some money (about 90€) to advertise my android app.
What do you think is best for these money ? Google adword or
Facebook add ? I saw that facebook has specific add for tablet/smarphones/adnroid.

Any help???

 

[mikiway93]

i vote facebook ads because many people prefer facebook