How to create and interact with a custom grid like sudoku of size m*n in android

I started working on an android project which looks something like the image attached below.

I created a relative layout which should now contain two layouts. A linear which has a timer and a custom layout which should have a n*n grid layout.(say 8*10) horizontal layout.

I need to interact with grids like clicking on the grid should add an image to the grid etc. Is there a better way of implementing this rather than gridview?

Thanks