Grand theft auto(gta) san andreas terrible lag and frame rate loss on samsung galaxy s4(octa-core version). tried low settings but didn't help. got it from playstore for 420 bucks. my phone specs are 1.6ghz quad+1.2ghz quad core. 2gb ram(1.82gb usable), 1080p super amoled display with 441 ppi and has powervr sgx44 gpu(graphics). can you suggest something??