Samsung Galaxy Core Duos I8262 Problem Help Please

[Ming2nd]

I tried to play at my Samsung Galaxy Core Duos I8262 but when i try to logging in my keyboard is invisible.When i already to logging in and in game i cant see building or other, i just saw a black map but i can see my pokemon also chat menu.

 

my problem 2 :

1. Keyboard is invisible

2. Cant see building or other just see black map

 

my phone spesification :

- Android OS v4.1.2 (Jelly Bean)

- Snapdragon MSM8225 S4 Play CPU Dual-core 1.2 GHz Cortex-A5GPU Adreno 203Sensors Accelerometer, Proximity, Compass

- 480 x 800 pixels, 4.3 inches (~217 ppi pixel density)Multitouch

 

 

I hope someone can solve my problem thx a lot