Default Phone occasionally stops registering my touch?

Hi guys. When playing offroad legends I've encountered a rather strange issue. After playing for 10-15 minutes I start to notice the following issue:
You have to tap the screen for accelerating. Sometimes I find the truck stopping despite the fact that I have my finger on the throttle. Has anyone else faced this issue before? I also play ArkanoidX where I keep my finger on the screen at moving the board but I never had that issue there. That's most likely because the phone registers movement, don't you think?

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