application crash with message "zoom activé"

On several game applications like minecraft, the application stop (crash) and display the message "zoom activé" despite there was no action of zoom activation on the screen.

we thought it was an issue of load but the issue append when only one application is laucned

could you help please ?

ipad 2 16Go, model MC979NF/A

ios 9.3.5

minecraft v0.15.7 and also Bonie planet