I would Nexus 4 but it's seemingly always sold out, so either get the Galaxy S III, Note II, Sony Xperia Z or Nokia Lumia 920 (if you don't mind windows phone 8)
Xbox One, PS4 and Switch (+ Many Retro Consoles)
'When the people are being beaten with a stick, they are not much happier if it is called the people's stick'- Mikhail Bakunin
Prediction: Switch will sell better than Wii U Lifetime Sales by Jan 1st 2018