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diff --git a/java/res/drawable-mdpi/keyboard_hint_1.9.png b/java/res/drawable-mdpi/keyboard_hint_1.9.png
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diff --git a/java/res/drawable-mdpi/keyboard_hint_2.9.png b/java/res/drawable-mdpi/keyboard_hint_2.9.png
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diff --git a/java/res/drawable-mdpi/keyboard_hint_3.9.png b/java/res/drawable-mdpi/keyboard_hint_3.9.png
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diff --git a/java/res/drawable-mdpi/keyboard_hint_4.9.png b/java/res/drawable-mdpi/keyboard_hint_4.9.png
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diff --git a/java/res/drawable-mdpi/keyboard_hint_5.9.png b/java/res/drawable-mdpi/keyboard_hint_5.9.png
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diff --git a/java/res/drawable-mdpi/keyboard_hint_6.9.png b/java/res/drawable-mdpi/keyboard_hint_6.9.png
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diff --git a/java/res/drawable-mdpi/keyboard_hint_7.9.png b/java/res/drawable-mdpi/keyboard_hint_7.9.png
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diff --git a/java/res/drawable-mdpi/keyboard_hint_8.9.png b/java/res/drawable-mdpi/keyboard_hint_8.9.png
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diff --git a/java/res/drawable-mdpi/keyboard_hint_9.9.png b/java/res/drawable-mdpi/keyboard_hint_9.9.png
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