Try putting all the items in the picture attached, on glass. I'm %95 positive you shouldn't be able to place these items on glass blocks. (Not tested on glass panes, or other opaque blocks)
iPod Touch 5th gen (iOS 9.3.5) MCPE 0.16.2
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However, this issue has been closed as a Duplicate of MCPE-16872.
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Some of these are valid, like toches and redstone on top of the glass. But In addition to these, torches can also be placed on the side of glass blocks, which according to wiki should not be allowed.