StickerApp: Telegram & LINE stickers in WhatsApp

Description of StickerApp: Telegram & LINE stickers in WhatsApp

StickerApp is an app that let you load sticker packs to WhatsApp.
Recipes:
Recipe ONE: Export stickers packs from Telegram and import to WhatsApp
1. Go to Telegram and talk to the @StickerAppBot bot (https://telegram.me/StickerAppBot).
2. Send it any Telegram sticker.
3. It returns you a sticker pack file.
4. Open it with StickerApp.
Recipe TWO: Export stickers packs from LINE and import to WhatsApp
1. Go to Telegram and talk to the @StickerAppBot bot (https://telegram.me/StickerAppBot).
2. Send it any LINE sticker store URL (e.g. https://store.line.me/stickershop/product/13321/en).
3. It returns you a sticker pack file.
4. Open it with StickerApp.
Recipe THREE: Create your own sticker packs using Telegram, and use them in both Telegram and WhatsApp
1. Go to Telegram and use the official @Stickers bot to create your own sticker set.
2. Follow Recipe ONE to have the stickers available in WhatsApp as well.
Recipe FOUR: Hand-make your own sticker pack files and import to WhatsApp
1. Create your own ".stickerpack" file
2. Open it with StickerApp
Refer to https://github.com/kanelai/stickerapp/ for more detail.
Made in Hong Kong :)