Screen stuck for a mini second while playing Minecraft please fix

I have been playing Minecraft for 4 year this is my favourite when I was playing Minecraft crack version there is so much lagging but when I jumped and purchase my Minecraft paid and my friend also then I Play Minecraft but this is changed by old world and my real life and game both but this screen lag stuck screen for a mini second this very irritating and I can't make videos on Minecraft please fix this mojang I committed on your latest video on YouTube my name is crafty groot in my game please fix the because my phone has only one game Minecraft at 4GB RAM and enough storage to run my this happened so I can't play my Minecraft please fix this mojang