Games close itself

[Dev prakash]

I installed 60 MB game on my lumia. But at the time of playing game on my lumia 640. some games closed itself.

Q1 - Same thing happen with other small games like talking tom and carrom.

Any solution ?

Q2. some time its network disappear itself and to resolve that issue i've to restart my mobile. any suggestion

 

[ElisaAndroid]

Are these aps running on a Micro SD or in main memory? If Micro SD, have you tried reinstalling to the phones memory? Could be do to slower read / write times to the SD card.