Zte Z353VL User Manual page 49

 Lift your finger at the end of the word. A space is added
automatically when you begin to trace the next word.
Wave - Sentence Gesture
Wave allows you to enter words by dragging candidate words to
the space key.
To enable and use Wave:
1. On the TouchPal keyboard, touch
input and check Wave™ - Sentence gesture.
2. Touch the Back key to return to the text field.
3. Touch or use Curve to enter the first word. As the first word
appears on the text field, candidate words appear on the
keyboard for you to choose from as the following word.
4. Drag the correct candidate word to the space key to add the
word to the text field.
> Settings > Smart
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