Mobile application development platforms include iOS, Android, Blackberry, Windows Phone 7.5 Mango, and cross-platform tools. Paxcel has experience developing applications for stock analysis, credit card processing, e-signatures, bar code scanning, gifting, and displaying market data on various mobile platforms using technologies like Xcode, Eclipse, Worklight, and PhoneGap. They have expertise in areas like live data streaming, database integration, security, performance optimization, and monetization features.