Hey! man hope you are well.So the problem you are facing rn is a normal problem on some android devices the renpy apps just can't install,i'am not an offical member of this game or any other so it also happend with me not on this game but other so here's a solution hope it works just try to intall it on these conditions 1.Turn on/off aeroplane mode 2.try turning powersaving mode on and off(this one worked for my phone samsung)hope it works.HAVE A NICE DAY!!