1. Development of the Smart Handheld Device Market
1.1 Growing Interest in Low-cost Sector
1.2 Vendors Open to Various OS Options
2. Firefox OS
2.1 Platform Features
2.1.1 Open Source
2.1.2 Cross Device
2.1.3 Multiple Payment Options
2.2 App Ecosystem
2.3 App Stores
2.3.1 Web App Features
2.3.2 Firefox OS Apps
2.3.3 Firefox OS App Stores
2.4 Target Markets
2.5 Market Releases
2.5.1 Geeksphone
2.5.2 ZTE
2.5.3 LG, Sony
3. Tizen
3.1 Platform Features
3.2 App Ecosystem
3.3 App Stores
3.4 Market Releases
4. Ubuntu Touch
4.1 Platform Features
4.2 App Ecosystem
4.3 App Stores
5. Sailfish OS
5.1 Platform Features
5.2 APP Ecosystem
5.3 App Stores
5.4 Market Releases
6. Conclusions
6.1 Open Web OS Enables Device Differentiation
6.2 Samsung Bolsters Tizen to Cut Ties with Google
6.3 Mozilla, Canonical Earn Developers' Support for Open OS Communities
Appendix

Figure 1 Firefox OS
Figure 2 Geeksphone's Firefox Demo Phones
Figure 3 ZTE Open
Figure 4 Tizen OS
Figure 5 Ubuntu Touch OS
Figure 6 Sailfish OS
Figure 7 Jolla's Sailfish-based Smartphone

Table 1 OSs Adopted by Major Device Vendors
Table 2 Firefox OS Ecosystem
Table 3 Tizen OS Ecosystem