เบลล่า app for iPhone and iPad

A powerful free image editor with a large collection of thai stickers and emoticons.
List of tools:

Stickers
Emoticons
Linear filter
Vignette filter
Instant filter
Process filter
Transfer filter
Sepia filter
Chrome filter
Fade filter
Curve filter
Tonal filter
Noir filter
Mono filter
Invert filter
Contrast adjustment
Brightness adjustment
Saturation adjustment
Spot effect
Hue effect
Highlight effect
Bloom effect
Gloom effect
Posterize effect
Pixelate effect
Blur & Focus
Rotate tool
Draw tool
Splash tool
Crop tool
Resize tool
ToneCurve tool
Text tool