Cheapest phone that will run Hearthstone?

[InternetSwag]

Or a tablet?

It lags on my current phone.
1.3 ghz quad core
1gb Ram

Hoping to keep it far under R5000
Don't mind Chinese phones.

 

[Gtx Gaming]

http://store.orange.com/za/mobile-phones/sim-free-phones/sony-xperia-m4-aqua-white-275068/

M4 should do the job.

http://store.orange.com/za/mobile-phones/sim-free-phones/huawei-p8-lite-white-276772/

P8 lite also