Some of the menus, notably the inventory and Rumia's shop are semi-unresponsive on android, the colors invert as normal, but they stay inverted and nothing happens when you select them unless you just happen to get lucky.
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Hello TheCatMan,
Thank you for the report. This issue was already confirmed in a few posts below and it will be fixed by the next version :). The workaround meanwhile is to spam press the buttons until they detect the press. Clicking outside the menu panel first can also improve the chance of detection.