Hi,

I updated my app. You can generate fake video call screenshot for WhatsApp also. 

FakeV : https://play.google.com/store/apps/details?id=gc.viberfake&hl=en

Generate fake video call screenshot for Viber & Whatsapp without real video call. Put your photo or someone else to make Viber & WhatsApp jokes. Click OK button, your screenshot of prank video call is ready.

Feel free to put any photo, it is limitless and free.

? Features
- Select photos and quality like WhatsApp video call to generate prank screenshots.
- Enter name and duration like Viber video call.
- Reduce photo quality to be more realistic.
- Transparent icons like Viber & WhatsApp video call to be more realistic.
- Fake notification in the status bar.

Or learn to make your own app.