What should I do after SoloLearn?

Question

i'm about to complete my Java course from Solo learn
my future target is to be a good/pro Android developer
so should I learn Java further?
if yes then from where?
is there any app like solo learn which teach further?

Answer 1

udacity(for Android apps development):
https://play.google.com/store/apps/details?id=com.udacity.android

Answer 2

khanacademy and codeacademy
are other free apps and website like sololearn.
Both have great reviews.
If you want to learn Android then best resource would be TheNewBoston.